133508252532 has 12 divisors (see below), whose sum is σ = 311519255936. Its totient is φ = 44502750840.

The previous prime is 133508252431. The next prime is 133508252543. The reversal of 133508252532 is 235252805331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×133508252532² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5562843844 + ... + 5562843867.

Almost surely, 2^133508252532 is an apocalyptic number.

133508252532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133508252532 is an abundant number, since it is smaller than the sum of its proper divisors (178011003404).

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

133508252532 is a wasteful number, since it uses less digits than its factorization.

133508252532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125687718 (or 11125687716 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 133508252532 in words is "one hundred thirty-three billion, five hundred eight million, two hundred fifty-two thousand, five hundred thirty-two".