1313392896 has 54 divisors (see below), whose sum is σ = 3786842150. Its totient is φ = 437796864.

The previous prime is 1313392877. The next prime is 1313392909. The reversal of 1313392896 is 6982933131.

1313392896 is a `hidden beast` number, since 1 + 31 + 339 + 289 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1234538496 + 78854400 = 35136^2 + 8880^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282721 + ... + 287328.

Almost surely, 2^1313392896 is an apocalyptic number.

1313392896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1313392896 is an abundant number, since it is smaller than the sum of its proper divisors (2473449254).

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

1313392896 is an equidigital number, since it uses as much as digits as its factorization.

1313392896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570071 (or 570054 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1313392896 is about 36240.7629058771. The cubic root of 1313392896 is about 1095.1280115557.

The spelling of 1313392896 in words is "one billion, three hundred thirteen million, three hundred ninety-two thousand, eight hundred ninety-six".