316138617 has 24 divisors (see below), whose sum is σ = 467017824. Its totient is φ = 206025984.

The previous prime is 316138609. The next prime is 316138633. The reversal of 316138617 is 716831613.

316138617 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 38 + 617 = 666.

It is not a de Polignac number, because 316138617 - 2³ = 316138609 is a prime.

It is a super-3 number, since 3×316138617³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (316138607) 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 23 ways as a sum of consecutive naturals, for example, 70278 + ... + 74640.

It is an arithmetic number, because the mean of its divisors is an integer number (19459076).

Almost surely, 2^316138617 is an apocalyptic number.

It is an amenable number.

316138617 is a deficient number, since it is larger than the sum of its proper divisors (150879207).

316138617 is a wasteful number, since it uses less digits than its factorization.

316138617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4546 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 316138617 is about 17780.2873148889. The cubic root of 316138617 is about 681.2280411293.

The spelling of 316138617 in words is "three hundred sixteen million, one hundred thirty-eight thousand, six hundred seventeen".