1313999907 has 16 divisors (see below), whose sum is σ = 1962930432. Its totient is φ = 774839520.

The previous prime is 1313999899. The next prime is 1313999909. The reversal of 1313999907 is 7099993131.

It is not a de Polignac number, because 1313999907 - 2³ = 1313999899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313999907.

It is not an unprimeable number, because it can be changed into a prime (1313999909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536863 + ... + 539304.

It is an arithmetic number, because the mean of its divisors is an integer number (122683152).

Almost surely, 2^1313999907 is an apocalyptic number.

1313999907 is a deficient number, since it is larger than the sum of its proper divisors (648930525).

1313999907 is a wasteful number, since it uses less digits than its factorization.

1313999907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076218.

The product of its (nonzero) digits is 413343, while the sum is 51.

The square root of 1313999907 is about 36249.1366379946. The cubic root of 1313999907 is about 1095.2966973993.

The spelling of 1313999907 in words is "one billion, three hundred thirteen million, nine hundred ninety-nine thousand, nine hundred seven".