1380964794 has 32 divisors (see below), whose sum is σ = 3028653504. Its totient is φ = 416302080.

The previous prime is 1380964789. The next prime is 1380964811. The reversal of 1380964794 is 4974690831.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41469 + ... + 66944.

It is an arithmetic number, because the mean of its divisors is an integer number (94645422).

Almost surely, 2^1380964794 is an apocalyptic number.

1380964794 is an abundant number, since it is smaller than the sum of its proper divisors (1647688710).

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

1380964794 is a wasteful number, since it uses less digits than its factorization.

1380964794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108622.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1380964794 is about 37161.3346638680. The cubic root of 1380964794 is about 1113.5956752267.

The spelling of 1380964794 in words is "one billion, three hundred eighty million, nine hundred sixty-four thousand, seven hundred ninety-four".