316139 has 2 divisors, whose sum is σ = 316140. Its totient is φ = 316138.

The previous prime is 316133. The next prime is 316153. The reversal of 316139 is 931613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316139 - 2⁸ = 315883 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316139.

It is not a weakly prime, because it can be changed into another prime (316133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158069 + 158070.

It is an arithmetic number, because the mean of its divisors is an integer number (158070).

2³¹⁶¹³⁹ is an apocalyptic number.

316139 is a deficient number, since it is larger than the sum of its proper divisors (1).

316139 is an equidigital number, since it uses as much as digits as its factorization.

316139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

The square root of 316139 is about 562.2623942609. The cubic root of 316139 is about 68.1228316230.

The spelling of 316139 in words is "three hundred sixteen thousand, one hundred thirty-nine".