You can find this out by doing a "show ap tech-support ap-name XYZ". Just did a test on one of mine although I don't have a 134 so there might be differences (this was done on a 125)...
Once you've got that output search for "Memory Usage".
Memory Usage
------------
MemTotal: 58708 kB
-------------------------
MemFree: 11728 kB
Buffers: 0 kB
Cached: 11104 kB
SwapCached: 0 kB
Active: 12336 kB
Inactive: 5132 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 58708 kB
LowFree: 11728 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
Mapped: 10524 kB
Slab: 18504 kB
CommitLimit: 29352 kB
Committed_AS: 13584 kB
PageTables: 184 kB
VmallocTotal: 1073741824 kB
VmallocUsed: 9888 kB
VmallocChunk: 1073731592 kB
Not sure why you'd want to know though? This suggests you have something in mind you're trying to prove or troubleshoot?