1313496756 has 96 divisors (see below), whose sum is σ = 4000752000. Its totient is φ = 367407360.

The previous prime is 1313496727. The next prime is 1313496773. The reversal of 1313496756 is 6576943131.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27081 + ... + 57968.

It is an arithmetic number, because the mean of its divisors is an integer number (41674500).

Almost surely, 2^1313496756 is an apocalyptic number.

It is an amenable number.

1313496756 is an abundant number, since it is smaller than the sum of its proper divisors (2687255244).

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

1313496756 is a wasteful number, since it uses less digits than its factorization.

1313496756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85086 (or 85078 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 1313496756 is about 36242.1957944052. The cubic root of 1313496756 is about 1095.1568775048.

The spelling of 1313496756 in words is "one billion, three hundred thirteen million, four hundred ninety-six thousand, seven hundred fifty-six".