1313657076 has 12 divisors (see below), whose sum is σ = 3065199872. Its totient is φ = 437885688.

The previous prime is 1313657069. The next prime is 1313657089. The reversal of 1313657076 is 6707563131.

It is a tau number, because it is divible by the number of its divisors (12).

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, 54735700 + ... + 54735723.

Almost surely, 2^1313657076 is an apocalyptic number.

It is an amenable number.

1313657076 is an abundant number, since it is smaller than the sum of its proper divisors (1751542796).

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

1313657076 is a wasteful number, since it uses less digits than its factorization.

1313657076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109471430 (or 109471428 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1313657076 is about 36244.4075134358. The cubic root of 1313657076 is about 1095.2014324702.

The spelling of 1313657076 in words is "one billion, three hundred thirteen million, six hundred fifty-seven thousand, seventy-six".