1313809952 has 72 divisors (see below), whose sum is σ = 3240360396. Its totient is φ = 519740928.

The previous prime is 1313809909. The next prime is 1313809969. The reversal of 1313809952 is 2599083131.

It can be written as a sum of positive squares in 2 ways, for example, as 926350096 + 387459856 = 30436^2 + 19684^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11843 + ... + 52610.

Almost surely, 2^1313809952 is an apocalyptic number.

It is an amenable number.

1313809952 is an abundant number, since it is smaller than the sum of its proper divisors (1926550444).

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

1313809952 is a wasteful number, since it uses less digits than its factorization.

1313809952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64490 (or 64475 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1313809952 is about 36246.5164119257. The cubic root of 1313809952 is about 1095.2439152771.

The spelling of 1313809952 in words is "one billion, three hundred thirteen million, eight hundred nine thousand, nine hundred fifty-two".