Pretty sure yours is 39034. Right click on the border of this page and View Page Source. You'll find it as your user's ID if you stumble around a bit. They used to include it in the URL of your profile. I think that means you were the 39,034th ID issued and that would make sense because mine's 418,-something and I came about 2 years after you.
The latest member is 8322384. :-)