1313268959 has 4 divisors (see below), whose sum is σ = 1328024880. Its totient is φ = 1298513040.

The previous prime is 1313268949. The next prime is 1313268997. The reversal of 1313268959 is 9598623131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9598623131 = 761 ⋅12613171.

It is a cyclic number.

It is not a de Polignac number, because 1313268959 - 2⁸ = 1313268703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313268919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7377827 + ... + 7378004.

It is an arithmetic number, because the mean of its divisors is an integer number (332006220).

Almost surely, 2^1313268959 is an apocalyptic number.

1313268959 is a deficient number, since it is larger than the sum of its proper divisors (14755921).

1313268959 is an equidigital number, since it uses as much as digits as its factorization.

1313268959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14755920.

The product of its digits is 349920, while the sum is 47.

The square root of 1313268959 is about 36239.0529539611. The cubic root of 1313268959 is about 1095.0935635876.

The spelling of 1313268959 in words is "one billion, three hundred thirteen million, two hundred sixty-eight thousand, nine hundred fifty-nine".