1313437914 has 24 divisors (see below), whose sum is σ = 2922696660. Its totient is φ = 425979648.

The previous prime is 1313437859. The next prime is 1313437919. The reversal of 1313437914 is 4197343131.

It is a happy number.

1313437914 is a `hidden beast` number, since 131 + 3 + 437 + 91 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1310078025 + 3359889 = 36195^2 + 1833^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313437919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985399 + ... + 986730.

Almost surely, 2^1313437914 is an apocalyptic number.

1313437914 is an abundant number, since it is smaller than the sum of its proper divisors (1609258746).

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

1313437914 is a wasteful number, since it uses less digits than its factorization.

1313437914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972174 (or 1972171 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 1313437914 is about 36241.3839967516. The cubic root of 1313437914 is about 1095.1405236557.

The spelling of 1313437914 in words is "one billion, three hundred thirteen million, four hundred thirty-seven thousand, nine hundred fourteen".