1313250459 has 16 divisors (see below), whose sum is σ = 1899223200. Its totient is φ = 803901440.

The previous prime is 1313250457. The next prime is 1313250467. The reversal of 1313250459 is 9540523131.

It is not a de Polignac number, because 1313250459 - 2¹ = 1313250457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313250457) 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, 311934 + ... + 316115.

It is an arithmetic number, because the mean of its divisors is an integer number (118701450).

Almost surely, 2^1313250459 is an apocalyptic number.

1313250459 is a deficient number, since it is larger than the sum of its proper divisors (585972741).

1313250459 is a wasteful number, since it uses less digits than its factorization.

1313250459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628110.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1313250459 is about 36238.7977035663. The cubic root of 1313250459 is about 1095.0884213746.

The spelling of 1313250459 in words is "one billion, three hundred thirteen million, two hundred fifty thousand, four hundred fifty-nine".