1139162916 has 24 divisors (see below), whose sum is σ = 2664753280. Its totient is φ = 378762912.

The previous prime is 1139162909. The next prime is 1139162933. The reversal of 1139162916 is 6192619311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114796 + ... + 124323.

Almost surely, 2^1139162916 is an apocalyptic number.

It is an amenable number.

1139162916 is an abundant number, since it is smaller than the sum of its proper divisors (1525590364).

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

1139162916 is a wasteful number, since it uses less digits than its factorization.

1139162916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239523 (or 239521 counting only the distinct ones).

The product of its digits is 17496, while the sum is 39.

The square root of 1139162916 is about 33751.4876116594. The cubic root of 1139162916 is about 1044.3881757004.

The spelling of 1139162916 in words is "one billion, one hundred thirty-nine million, one hundred sixty-two thousand, nine hundred sixteen".