1313567456 has 24 divisors (see below), whose sum is σ = 2589915384. Its totient is φ = 655811200.

The previous prime is 1313567449. The next prime is 1313567491. The reversal of 1313567456 is 6547653131.

It is a super-2 number, since 2×1313567456² = 3450918922924623872, which contains 22 as substring.

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, 8195 + ... + 51906.

It is an arithmetic number, because the mean of its divisors is an integer number (107913141).

Almost surely, 2^1313567456 is an apocalyptic number.

1313567456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1313567456 is a deficient number, since it is larger than the sum of its proper divisors (1276347928).

1313567456 is an equidigital number, since it uses as much as digits as its factorization.

1313567456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60794 (or 60786 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 1313567456 is about 36243.1711636827. The cubic root of 1313567456 is about 1095.1765263801.

The spelling of 1313567456 in words is "one billion, three hundred thirteen million, five hundred sixty-seven thousand, four hundred fifty-six".