1331960564 has 12 divisors (see below), whose sum is σ = 2542833888. Its totient is φ = 605436600.

The previous prime is 1331960549. The next prime is 1331960573. The reversal of 1331960564 is 4650691331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15135872 + ... + 15135959.

It is an arithmetic number, because the mean of its divisors is an integer number (211902824).

Almost surely, 2^1331960564 is an apocalyptic number.

It is an amenable number.

1331960564 is a deficient number, since it is larger than the sum of its proper divisors (1210873324).

1331960564 is a wasteful number, since it uses less digits than its factorization.

1331960564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30271846 (or 30271844 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1331960564 is about 36496.0349079184. The cubic root of 1331960564 is about 1100.2645545503.

The spelling of 1331960564 in words is "one billion, three hundred thirty-one million, nine hundred sixty thousand, five hundred sixty-four".