133521125332 has 12 divisors (see below), whose sum is σ = 267042250720. Its totient is φ = 57223339416.

The previous prime is 133521125323. The next prime is 133521125347. The reversal of 133521125332 is 233521125331.

133521125332 is an admirable number.

It is a super-2 number, since 2×133521125332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133521125294 and 133521125303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384305782 + ... + 2384305837.

Almost surely, 2^133521125332 is an apocalyptic number.

It is an amenable number.

133521125332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133521125332 is a wasteful number, since it uses less digits than its factorization.

133521125332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768611630 (or 4768611628 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

Subtracting 133521125332 from its reverse (233521125331), we obtain a palindrome (99999999999).

The spelling of 133521125332 in words is "one hundred thirty-three billion, five hundred twenty-one million, one hundred twenty-five thousand, three hundred thirty-two".