1376330913 has 8 divisors (see below), whose sum is σ = 2039008800. Its totient is φ = 917553924.

The previous prime is 1376330909. The next prime is 1376330929. The reversal of 1376330913 is 3190336731.

1376330913 is a `hidden beast` number, since 1 + 3 + 7 + 633 + 0 + 9 + 13 = 666.

It is not a de Polignac number, because 1376330913 - 2² = 1376330909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1376330903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25487583 + ... + 25487636.

It is an arithmetic number, because the mean of its divisors is an integer number (254876100).

Almost surely, 2^1376330913 is an apocalyptic number.

It is an amenable number.

1376330913 is a deficient number, since it is larger than the sum of its proper divisors (662677887).

1376330913 is an equidigital number, since it uses as much as digits as its factorization.

1376330913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50975228 (or 50975222 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 36.

The square root of 1376330913 is about 37098.9341221550. The cubic root of 1376330913 is about 1112.3487082569.

The spelling of 1376330913 in words is "one billion, three hundred seventy-six million, three hundred thirty thousand, nine hundred thirteen".