1379394522 has 40 divisors (see below), whose sum is σ = 3371857632. Its totient is φ = 417997800.

The previous prime is 1379394517. The next prime is 1379394539. The reversal of 1379394522 is 2254939731.

1379394522 is a `hidden beast` number, since 1 + 37 + 9 + 3 + 94 + 522 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 385254 + ... + 388817.

Almost surely, 2^1379394522 is an apocalyptic number.

1379394522 is an abundant number, since it is smaller than the sum of its proper divisors (1992463110).

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

1379394522 is a wasteful number, since it uses less digits than its factorization.

1379394522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774096 (or 774087 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 1379394522 is about 37140.2008879866. The cubic root of 1379394522 is about 1113.1734314638.

The spelling of 1379394522 in words is "one billion, three hundred seventy-nine million, three hundred ninety-four thousand, five hundred twenty-two".