1313563560 has 32 divisors (see below), whose sum is σ = 3940691040. Its totient is φ = 350283584.

The previous prime is 1313563523. The next prime is 1313563627. The reversal of 1313563560 is 653653131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5473062 + ... + 5473301.

It is an arithmetic number, because the mean of its divisors is an integer number (123146595).

Almost surely, 2^1313563560 is an apocalyptic number.

1313563560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313563560 is an abundant number, since it is smaller than the sum of its proper divisors (2627127480).

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

1313563560 is a wasteful number, since it uses less digits than its factorization.

1313563560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10946377 (or 10946373 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 1313563560 is about 36243.1174155866. The cubic root of 1313563560 is about 1095.1754436259.

The spelling of 1313563560 in words is "one billion, three hundred thirteen million, five hundred sixty-three thousand, five hundred sixty".