313616540 has 12 divisors (see below), whose sum is σ = 658594776. Its totient is φ = 125446608.

The previous prime is 313616533. The next prime is 313616543. The reversal of 313616540 is 45616313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313616543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7840394 + ... + 7840433.

It is an arithmetic number, because the mean of its divisors is an integer number (54882898).

Almost surely, 2^313616540 is an apocalyptic number.

It is an amenable number.

313616540 is an abundant number, since it is smaller than the sum of its proper divisors (344978236).

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

313616540 is a wasteful number, since it uses less digits than its factorization.

313616540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680836 (or 15680834 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 313616540 is about 17709.2218914327. The cubic root of 313616540 is about 679.4116450650.

The spelling of 313616540 in words is "three hundred thirteen million, six hundred sixteen thousand, five hundred forty".