1379094564 has 12 divisors (see below), whose sum is σ = 3217887344. Its totient is φ = 459698184.

The previous prime is 1379094511. The next prime is 1379094569. The reversal of 1379094564 is 4654909731.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1379094569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57462262 + ... + 57462285.

Almost surely, 2^1379094564 is an apocalyptic number.

It is an amenable number.

1379094564 is an abundant number, since it is smaller than the sum of its proper divisors (1838792780).

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

1379094564 is a wasteful number, since it uses less digits than its factorization.

1379094564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114924554 (or 114924552 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1379094564 is about 37136.1624834877. The cubic root of 1379094564 is about 1113.0927367635.

The spelling of 1379094564 in words is "one billion, three hundred seventy-nine million, ninety-four thousand, five hundred sixty-four".