1313957401 has 4 divisors (see below), whose sum is σ = 1315785600. Its totient is φ = 1312129204.

The previous prime is 1313957383. The next prime is 1313957417. The reversal of 1313957401 is 1047593131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313957401 - 2¹³ = 1313949209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313957461) 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, 913021 + ... + 914458.

It is an arithmetic number, because the mean of its divisors is an integer number (328946400).

Almost surely, 2^1313957401 is an apocalyptic number.

It is an amenable number.

1313957401 is a deficient number, since it is larger than the sum of its proper divisors (1828199).

1313957401 is an equidigital number, since it uses as much as digits as its factorization.

1313957401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828198.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1313957401 is about 36248.5503296339. The cubic root of 1313957401 is about 1095.2848868496.

The spelling of 1313957401 in words is "one billion, three hundred thirteen million, nine hundred fifty-seven thousand, four hundred one".