1315915760 has 20 divisors (see below), whose sum is σ = 3059504328. Its totient is φ = 526366272.

The previous prime is 1315915723. The next prime is 1315915771. The reversal of 1315915760 is 675195131.

It is a tau number, because it is divible by the number of its divisors (20).

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, 8224394 + ... + 8224553.

Almost surely, 2^1315915760 is an apocalyptic number.

1315915760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315915760 is an abundant number, since it is smaller than the sum of its proper divisors (1743588568).

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

1315915760 is a wasteful number, since it uses less digits than its factorization.

1315915760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16448960 (or 16448954 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 1315915760 is about 36275.5532004682. The cubic root of 1315915760 is about 1095.8287645174.

The spelling of 1315915760 in words is "one billion, three hundred fifteen million, nine hundred fifteen thousand, seven hundred sixty".