1313137507 has 8 divisors (see below), whose sum is σ = 1438940160. Its totient is φ = 1188405960.

The previous prime is 1313137493. The next prime is 1313137517. The reversal of 1313137507 is 7057313131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313137507 - 2⁷ = 1313137379 is a prime.

It is a super-2 number, since 2×1313137507² = 3448660224580350098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313137517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265207 + ... + 270112.

It is an arithmetic number, because the mean of its divisors is an integer number (179867520).

Almost surely, 2^1313137507 is an apocalyptic number.

1313137507 is a deficient number, since it is larger than the sum of its proper divisors (125802653).

1313137507 is a wasteful number, since it uses less digits than its factorization.

1313137507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535553.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 1313137507 is about 36237.2392298310. The cubic root of 1313137507 is about 1095.0570244762.

The spelling of 1313137507 in words is "one billion, three hundred thirteen million, one hundred thirty-seven thousand, five hundred seven".