315139607 has 4 divisors (see below), whose sum is σ = 326006520. Its totient is φ = 304272696.

The previous prime is 315139589. The next prime is 315139621. The reversal of 315139607 is 706931513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706931513 = 563 ⋅1255651.

It is a cyclic number.

It is not a de Polignac number, because 315139607 - 2⁶ = 315139543 is a prime.

It is a super-2 number, since 2×315139607² = 198625943800228898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315139697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433413 + ... + 5433470.

It is an arithmetic number, because the mean of its divisors is an integer number (81501630).

Almost surely, 2^315139607 is an apocalyptic number.

315139607 is a deficient number, since it is larger than the sum of its proper divisors (10866913).

315139607 is a wasteful number, since it uses less digits than its factorization.

315139607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866912.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 315139607 is about 17752.1718952921. The cubic root of 315139607 is about 680.5097151500.

The spelling of 315139607 in words is "three hundred fifteen million, one hundred thirty-nine thousand, six hundred seven".