1313008556 has 12 divisors (see below), whose sum is σ = 2319240168. Its totient is φ = 650368512.

The previous prime is 1313008537. The next prime is 1313008561. The reversal of 1313008556 is 6558003131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533461 + ... + 1534316.

It is an arithmetic number, because the mean of its divisors is an integer number (193270014).

Almost surely, 2^1313008556 is an apocalyptic number.

It is an amenable number.

1313008556 is a deficient number, since it is larger than the sum of its proper divisors (1006231612).

1313008556 is a wasteful number, since it uses less digits than its factorization.

1313008556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067888 (or 3067886 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1313008556 is about 36235.4599253273. The cubic root of 1313008556 is about 1095.0211781869.

The spelling of 1313008556 in words is "one billion, three hundred thirteen million, eight thousand, five hundred fifty-six".