1331870976 has 108 divisors (see below), whose sum is σ = 3851239392. Its totient is φ = 442672128.

The previous prime is 1331870927. The next prime is 1331870983. The reversal of 1331870976 is 6790781331.

It is a super-2 number, since 2×1331870976² = 3547760593422385152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1121455 + ... + 1122641.

It is an arithmetic number, because the mean of its divisors is an integer number (35659624).

Almost surely, 2^1331870976 is an apocalyptic number.

1331870976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331870976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925619696).

1331870976 is an abundant number, since it is smaller than the sum of its proper divisors (2519368416).

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

1331870976 is a wasteful number, since it uses less digits than its factorization.

1331870976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1331870976 is about 36494.8075210707. The cubic root of 1331870976 is about 1100.2398859743.

The spelling of 1331870976 in words is "one billion, three hundred thirty-one million, eight hundred seventy thousand, nine hundred seventy-six".