1313894508 has 24 divisors (see below), whose sum is σ = 3067438080. Its totient is φ = 437724240.

The previous prime is 1313894497. The next prime is 1313894509. The reversal of 1313894508 is 8054983131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313894508.

It is not an unprimeable number, because it can be changed into a prime (1313894509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6588 + ... + 51683.

It is an arithmetic number, because the mean of its divisors is an integer number (127809920).

Almost surely, 2^1313894508 is an apocalyptic number.

It is an amenable number.

1313894508 is an abundant number, since it is smaller than the sum of its proper divisors (1753543572).

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

1313894508 is a wasteful number, since it uses less digits than its factorization.

1313894508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60157 (or 60155 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1313894508 is about 36247.6827949043. The cubic root of 1313894508 is about 1095.2674111812.

The spelling of 1313894508 in words is "one billion, three hundred thirteen million, eight hundred ninety-four thousand, five hundred eight".