1315020900 has 36 divisors (see below), whose sum is σ = 3804794672. Its totient is φ = 350672160.

The previous prime is 1315020887. The next prime is 1315020947. The reversal of 1315020900 is 90205131.

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, 2191402 + ... + 2192001.

Almost surely, 2^1315020900 is an apocalyptic number.

1315020900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315020900 is an abundant number, since it is smaller than the sum of its proper divisors (2489773772).

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

1315020900 is a wasteful number, since it uses less digits than its factorization.

1315020900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383420 (or 4383413 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1315020900 is about 36263.2169008763. The cubic root of 1315020900 is about 1095.5803099877.

The spelling of 1315020900 in words is "one billion, three hundred fifteen million, twenty thousand, nine hundred".