1315763874 has 12 divisors (see below), whose sum is σ = 2850821766. Its totient is φ = 438587952.

The previous prime is 1315763863. The next prime is 1315763887. The reversal of 1315763874 is 4783675131.

1315763874 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 7 + 638 + 7 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1191285225 + 124478649 = 34515^2 + 11157^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 36548979 + ... + 36549014.

Almost surely, 2^1315763874 is an apocalyptic number.

1315763874 is an abundant number, since it is smaller than the sum of its proper divisors (1535057892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315763874 is a wasteful number, since it uses less digits than its factorization.

1315763874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73098001 (or 73097998 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 1315763874 is about 36273.4596364890. The cubic root of 1315763874 is about 1095.7866018763.

The spelling of 1315763874 in words is "one billion, three hundred fifteen million, seven hundred sixty-three thousand, eight hundred seventy-four".