1315604339 has 4 divisors (see below), whose sum is σ = 1503547824. Its totient is φ = 1127660856.

The previous prime is 1315604309. The next prime is 1315604359. The reversal of 1315604339 is 9334065131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9334065131 = 1907 ⋅4894633.

It is a de Polignac number, because none of the positive numbers 2^k-1315604339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315604299 and 1315604308.

It is not an unprimeable number, because it can be changed into a prime (1315604309) 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 3 ways as a sum of consecutive naturals, for example, 93971732 + ... + 93971745.

It is an arithmetic number, because the mean of its divisors is an integer number (375886956).

Almost surely, 2^1315604339 is an apocalyptic number.

1315604339 is a deficient number, since it is larger than the sum of its proper divisors (187943485).

1315604339 is an equidigital number, since it uses as much as digits as its factorization.

1315604339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187943484.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 1315604339 is about 36271.2605102166. The cubic root of 1315604339 is about 1095.7423124246.

The spelling of 1315604339 in words is "one billion, three hundred fifteen million, six hundred four thousand, three hundred thirty-nine".