1313155792 has 40 divisors (see below), whose sum is σ = 2778572160. Its totient is φ = 597528960.

The previous prime is 1313155787. The next prime is 1313155817. The reversal of 1313155792 is 2975513131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29692 + ... + 59227.

It is an arithmetic number, because the mean of its divisors is an integer number (69464304).

Almost surely, 2^1313155792 is an apocalyptic number.

It is an amenable number.

1313155792 is an abundant number, since it is smaller than the sum of its proper divisors (1465416368).

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

1313155792 is a wasteful number, since it uses less digits than its factorization.

1313155792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89011 (or 89005 counting only the distinct ones).

The product of its digits is 28350, while the sum is 37.

The square root of 1313155792 is about 36237.4915246627. The cubic root of 1313155792 is about 1095.0621072200.

The spelling of 1313155792 in words is "one billion, three hundred thirteen million, one hundred fifty-five thousand, seven hundred ninety-two".