317673138 has 16 divisors (see below), whose sum is σ = 638573760. Its totient is φ = 105353136.

The previous prime is 317673137. The next prime is 317673173. The reversal of 317673138 is 831376713.

It is a junction number, because it is equal to n+sod(n) for n = 317673096 and 317673105.

It is not an unprimeable number, because it can be changed into a prime (317673133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133198 + ... + 135561.

It is an arithmetic number, because the mean of its divisors is an integer number (39910860).

Almost surely, 2^317673138 is an apocalyptic number.

317673138 is an abundant number, since it is smaller than the sum of its proper divisors (320900622).

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

317673138 is a wasteful number, since it uses less digits than its factorization.

317673138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268961.

The product of its digits is 63504, while the sum is 39.

The square root of 317673138 is about 17823.3873884848. The cubic root of 317673138 is about 682.3284781445.

The spelling of 317673138 in words is "three hundred seventeen million, six hundred seventy-three thousand, one hundred thirty-eight".