1313087874 has 16 divisors (see below), whose sum is σ = 3001343808. Its totient is φ = 375167952.

The previous prime is 1313087827. The next prime is 1313087959. The reversal of 1313087874 is 4787803131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 31263997 = 1313087874 / (1 + 3 + 1 + 3 + 0 + 8 + 7 + 8 + 7 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15631957 + ... + 15632040.

It is an arithmetic number, because the mean of its divisors is an integer number (187583988).

Almost surely, 2^1313087874 is an apocalyptic number.

1313087874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1313087874 is an abundant number, since it is smaller than the sum of its proper divisors (1688255934).

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

1313087874 is a wasteful number, since it uses less digits than its factorization.

1313087874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31264009.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1313087874 is about 36236.5543891800. The cubic root of 1313087874 is about 1095.0432275839.

The spelling of 1313087874 in words is "one billion, three hundred thirteen million, eighty-seven thousand, eight hundred seventy-four".