1313135593 has 32 divisors (see below), whose sum is σ = 1671892992. Its totient is φ = 1001678400.

The previous prime is 1313135561. The next prime is 1313135623. The reversal of 1313135593 is 3955313131.

It is a cyclic number.

It is not a de Polignac number, because 1313135593 - 2⁵ = 1313135561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313135893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1234780 + ... + 1235842.

It is an arithmetic number, because the mean of its divisors is an integer number (52246656).

Almost surely, 2^1313135593 is an apocalyptic number.

It is an amenable number.

1313135593 is a deficient number, since it is larger than the sum of its proper divisors (358757399).

1313135593 is a wasteful number, since it uses less digits than its factorization.

1313135593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 18225, while the sum is 34.

The square root of 1313135593 is about 36237.2128205247. The cubic root of 1313135593 is about 1095.0564924323.

The spelling of 1313135593 in words is "one billion, three hundred thirteen million, one hundred thirty-five thousand, five hundred ninety-three".