313812136 has 16 divisors (see below), whose sum is σ = 641888640. Its totient is φ = 142641840.

The previous prime is 313812077. The next prime is 313812157. The reversal of 313812136 is 631218313.

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, 1782936 + ... + 1783111.

It is an arithmetic number, because the mean of its divisors is an integer number (40118040).

Almost surely, 2^313812136 is an apocalyptic number.

It is an amenable number.

313812136 is an abundant number, since it is smaller than the sum of its proper divisors (328076504).

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

313812136 is a wasteful number, since it uses less digits than its factorization.

313812136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566064 (or 3566060 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 313812136 is about 17714.7434641318. The cubic root of 313812136 is about 679.5528606003.

The spelling of 313812136 in words is "three hundred thirteen million, eight hundred twelve thousand, one hundred thirty-six".