1315556828 has 12 divisors (see below), whose sum is σ = 2302508880. Its totient is φ = 657697152.

The previous prime is 1315556797. The next prime is 1315556833. The reversal of 1315556828 is 8286555131.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 29900 + ... + 59372.

It is an arithmetic number, because the mean of its divisors is an integer number (191875740).

Almost surely, 2^1315556828 is an apocalyptic number.

It is an amenable number.

1315556828 is a deficient number, since it is larger than the sum of its proper divisors (986952052).

1315556828 is a wasteful number, since it uses less digits than its factorization.

1315556828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40636 (or 40634 counting only the distinct ones).

The product of its digits is 288000, while the sum is 44.

The square root of 1315556828 is about 36270.6055642858. The cubic root of 1315556828 is about 1095.7291219240.

The spelling of 1315556828 in words is "one billion, three hundred fifteen million, five hundred fifty-six thousand, eight hundred twenty-eight".