1156731364 has 24 divisors (see below), whose sum is σ = 2114578368. Its totient is φ = 552620640.

The previous prime is 1156731353. The next prime is 1156731379. The reversal of 1156731364 is 4631376511.

It is a super-2 number, since 2×1156731364² = 2676054896922600992, which contains 22 as substring.

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, 85419 + ... + 98029.

It is an arithmetic number, because the mean of its divisors is an integer number (88107432).

Almost surely, 2^1156731364 is an apocalyptic number.

It is an amenable number.

1156731364 is a deficient number, since it is larger than the sum of its proper divisors (957847004).

1156731364 is a wasteful number, since it uses less digits than its factorization.

1156731364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635 (or 13633 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 1156731364 is about 34010.7536523377. The cubic root of 1156731364 is about 1049.7297457149.

The spelling of 1156731364 in words is "one billion, one hundred fifty-six million, seven hundred thirty-one thousand, three hundred sixty-four".