318688132 has 12 divisors (see below), whose sum is σ = 637376320. Its totient is φ = 136580616.

The previous prime is 318688081. The next prime is 318688147. The reversal of 318688132 is 231886813.

318688132 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 5690832 + ... + 5690887.

Almost surely, 2^318688132 is an apocalyptic number.

It is an amenable number.

318688132 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.

318688132 is a wasteful number, since it uses less digits than its factorization.

318688132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381730 (or 11381728 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 318688132 is about 17851.8383367092. The cubic root of 318688132 is about 683.0544056665.

It can be divided in two parts, 31868 and 8132, that added together give a square (40000 = 200²).

The spelling of 318688132 in words is "three hundred eighteen million, six hundred eighty-eight thousand, one hundred thirty-two".