1313297888 has 48 divisors (see below), whose sum is σ = 3050256384. Its totient is φ = 544682880.

The previous prime is 1313297837. The next prime is 1313297893. The reversal of 1313297888 is 8887923131.

It is a congruent number.

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, 87620 + ... + 101507.

It is an arithmetic number, because the mean of its divisors is an integer number (63547008).

Almost surely, 2^1313297888 is an apocalyptic number.

It is an amenable number.

1313297888 is an abundant number, since it is smaller than the sum of its proper divisors (1736958496).

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

1313297888 is a wasteful number, since it uses less digits than its factorization.

1313297888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189175 (or 189167 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 1313297888 is about 36239.4520929884. The cubic root of 1313297888 is about 1095.1016045221.

The spelling of 1313297888 in words is "one billion, three hundred thirteen million, two hundred ninety-seven thousand, eight hundred eighty-eight".