1315855396 has 12 divisors (see below), whose sum is σ = 2382152220. Its totient is φ = 635240480.

The previous prime is 1315855351. The next prime is 1315855399. The reversal of 1315855396 is 6935585131.

It can be written as a sum of positive squares in 2 ways, for example, as 852056100 + 463799296 = 29190^2 + 21536^2 .

It is not an unprimeable number, because it can be changed into a prime (1315855399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671675 + ... + 5671906.

It is an arithmetic number, because the mean of its divisors is an integer number (198512685).

Almost surely, 2^1315855396 is an apocalyptic number.

It is an amenable number.

1315855396 is a deficient number, since it is larger than the sum of its proper divisors (1066296824).

1315855396 is a wasteful number, since it uses less digits than its factorization.

1315855396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343614 (or 11343612 counting only the distinct ones).

The product of its digits is 486000, while the sum is 46.

The square root of 1315855396 is about 36274.7211705342. The cubic root of 1315855396 is about 1095.8120082222.

The spelling of 1315855396 in words is "one billion, three hundred fifteen million, eight hundred fifty-five thousand, three hundred ninety-six".