1315374888 has 64 divisors (see below), whose sum is σ = 3416440320. Its totient is φ = 421574400.

The previous prime is 1315374871. The next prime is 1315374889. The reversal of 1315374888 is 8884735131.

It is a happy number.

It is a super-2 number, since 2×1315374888² = 3460422191962025088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1315374889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111178 + ... + 122438.

It is an arithmetic number, because the mean of its divisors is an integer number (53381880).

Almost surely, 2^1315374888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315374888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708220160).

1315374888 is an abundant number, since it is smaller than the sum of its proper divisors (2101065432).

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

1315374888 is a wasteful number, since it uses less digits than its factorization.

1315374888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11458 (or 11454 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 1315374888 is about 36268.0973859948. The cubic root of 1315374888 is about 1095.6786069017.

The spelling of 1315374888 in words is "one billion, three hundred fifteen million, three hundred seventy-four thousand, eight hundred eighty-eight".