317139 has 8 divisors (see below), whose sum is σ = 430032. Its totient is φ = 207840.

The previous prime is 317123. The next prime is 317159. The reversal of 317139 is 931713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 317139 - 2⁴ = 317123 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317139.

It is not an unprimeable number, because it can be changed into a prime (317159) 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 in 7 ways as a sum of consecutive naturals, for example, 684 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (53754).

2³¹⁷¹³⁹ is an apocalyptic number.

317139 is a deficient number, since it is larger than the sum of its proper divisors (112893).

317139 is a wasteful number, since it uses less digits than its factorization.

317139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797.

The product of its digits is 567, while the sum is 24.

The square root of 317139 is about 563.1509566715. The cubic root of 317139 is about 68.1945839531.

The spelling of 317139 in words is "three hundred seventeen thousand, one hundred thirty-nine".