133712832 has 56 divisors (see below), whose sum is σ = 385949952. Its totient is φ = 40518400.

The previous prime is 133712801. The next prime is 133712833. The reversal of 133712832 is 238217331.

133712832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 133712832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133712833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29544 + ... + 33767.

Almost surely, 2^133712832 is an apocalyptic number.

133712832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133712832 is an abundant number, since it is smaller than the sum of its proper divisors (252237120).

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

133712832 is a wasteful number, since it uses less digits than its factorization.

133712832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63337 (or 63327 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 133712832 is about 11563.4264818003. The cubic root of 133712832 is about 511.3571848208.

The spelling of 133712832 in words is "one hundred thirty-three million, seven hundred twelve thousand, eight hundred thirty-two".