1313396766 has 48 divisors (see below), whose sum is σ = 3148149888. Its totient is φ = 392389200.

The previous prime is 1313396759. The next prime is 1313396767. The reversal of 1313396766 is 6676933131.

It is a super-2 number, since 2×1313396766² = 3450022129878517512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313396767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32656 + ... + 60771.

It is an arithmetic number, because the mean of its divisors is an integer number (65586456).

Almost surely, 2^1313396766 is an apocalyptic number.

1313396766 is an abundant number, since it is smaller than the sum of its proper divisors (1834753122).

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

1313396766 is a wasteful number, since it uses less digits than its factorization.

1313396766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93517 (or 93514 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 1313396766 is about 36240.8162987535. The cubic root of 1313396766 is about 1095.1290871773.

The spelling of 1313396766 in words is "one billion, three hundred thirteen million, three hundred ninety-six thousand, seven hundred sixty-six".