1315158156 has 36 divisors (see below), whose sum is σ = 3580154032. Its totient is φ = 404663904.

The previous prime is 1315158113. The next prime is 1315158161. The reversal of 1315158156 is 6518515131.

It is a happy number.

1315158156 is a `hidden beast` number, since 13 + 1 + 515 + 81 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1315158156.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1404616 + ... + 1405551.

Almost surely, 2^1315158156 is an apocalyptic number.

It is an amenable number.

1315158156 is an abundant number, since it is smaller than the sum of its proper divisors (2264995876).

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

1315158156 is a wasteful number, since it uses less digits than its factorization.

1315158156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810190 (or 2810185 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

The square root of 1315158156 is about 36265.1093476912. The cubic root of 1315158156 is about 1095.6184259192.

The spelling of 1315158156 in words is "one billion, three hundred fifteen million, one hundred fifty-eight thousand, one hundred fifty-six".