1313116775 has 12 divisors (see below), whose sum is σ = 1634326200. Its totient is φ = 1046582880.

The previous prime is 1313116751. The next prime is 1313116807. The reversal of 1313116775 is 5776113131.

It is not a de Polignac number, because 1313116775 - 2¹⁴ = 1313100391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90905 + ... + 104354.

It is an arithmetic number, because the mean of its divisors is an integer number (136193850).

Almost surely, 2^1313116775 is an apocalyptic number.

1313116775 is a deficient number, since it is larger than the sum of its proper divisors (321209425).

1313116775 is a wasteful number, since it uses less digits than its factorization.

1313116775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195538 (or 195533 counting only the distinct ones).

The product of its digits is 13230, while the sum is 35.

The square root of 1313116775 is about 36236.9531693822. The cubic root of 1313116775 is about 1095.0512614743.

The spelling of 1313116775 in words is "one billion, three hundred thirteen million, one hundred sixteen thousand, seven hundred seventy-five".