316587139 has 16 divisors (see below), whose sum is σ = 365201280. Its totient is φ = 271416960.

The previous prime is 316587137. The next prime is 316587163. The reversal of 316587139 is 931785613.

It is a cyclic number.

It is not a de Polignac number, because 316587139 - 2¹ = 316587137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 316587095 and 316587104.

It is not an unprimeable number, because it can be changed into a prime (316587137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44107 + ... + 50779.

It is an arithmetic number, because the mean of its divisors is an integer number (22825080).

Almost surely, 2^316587139 is an apocalyptic number.

316587139 is a deficient number, since it is larger than the sum of its proper divisors (48614141).

316587139 is a wasteful number, since it uses less digits than its factorization.

316587139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930.

The product of its digits is 136080, while the sum is 43.

The square root of 316587139 is about 17792.8957452125. The cubic root of 316587139 is about 681.5500532289.

The spelling of 316587139 in words is "three hundred sixteen million, five hundred eighty-seven thousand, one hundred thirty-nine".