133152432 has 80 divisors (see below), whose sum is σ = 416259072. Its totient is φ = 35804160.

The previous prime is 133152431. The next prime is 133152433. The reversal of 133152432 is 234251331.

It is an interprime number because it is at equal distance from previous prime (133152431) and next prime (133152433).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (133152431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5944 + ... + 17367.

Almost surely, 2^133152432 is an apocalyptic number.

133152432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133152432 is an abundant number, since it is smaller than the sum of its proper divisors (283106640).

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

133152432 is a wasteful number, since it uses less digits than its factorization.

133152432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23346 (or 23340 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 133152432 is about 11539.1694675137. The cubic root of 133152432 is about 510.6418063630.

The spelling of 133152432 in words is "one hundred thirty-three million, one hundred fifty-two thousand, four hundred thirty-two".