313875139 has 2 divisors, whose sum is σ = 313875140. Its totient is φ = 313875138.

The previous prime is 313875119. The next prime is 313875157. The reversal of 313875139 is 931578313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313875139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313875119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156937569 + 156937570.

It is an arithmetic number, because the mean of its divisors is an integer number (156937570).

Almost surely, 2^313875139 is an apocalyptic number.

313875139 is a deficient number, since it is larger than the sum of its proper divisors (1).

313875139 is an equidigital number, since it uses as much as digits as its factorization.

313875139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 313875139 is about 17716.5216394190. The cubic root of 313875139 is about 679.5983347329.

The spelling of 313875139 in words is "three hundred thirteen million, eight hundred seventy-five thousand, one hundred thirty-nine".