1313129796 has 48 divisors (see below), whose sum is σ = 3424051008. Its totient is φ = 388211200.

The previous prime is 1313129761. The next prime is 1313129809. The reversal of 1313129796 is 6979213131.

It is a super-2 number, since 2×1313129796² = 3448619722286003232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115905 + ... + 126728.

It is an arithmetic number, because the mean of its divisors is an integer number (71334396).

Almost surely, 2^1313129796 is an apocalyptic number.

It is an amenable number.

1313129796 is an abundant number, since it is smaller than the sum of its proper divisors (2110921212).

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

1313129796 is a wasteful number, since it uses less digits than its factorization.

1313129796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242692 (or 242690 counting only the distinct ones).

The product of its digits is 61236, while the sum is 42.

The square root of 1313129796 is about 36237.1328336004. The cubic root of 1313129796 is about 1095.0548810091.

The spelling of 1313129796 in words is "one billion, three hundred thirteen million, one hundred twenty-nine thousand, seven hundred ninety-six".