1139810974 has 16 divisors (see below), whose sum is σ = 1758859488. Its totient is φ = 553576032.

The previous prime is 1139810941. The next prime is 1139811017. The reversal of 1139810974 is 4790189311.

It is a self number, because there is not a number n which added to its sum of digits gives 1139810974.

It is a congruent number.

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, 32799 + ... + 57925.

It is an arithmetic number, because the mean of its divisors is an integer number (109928718).

Almost surely, 2^1139810974 is an apocalyptic number.

1139810974 is a deficient number, since it is larger than the sum of its proper divisors (619048514).

1139810974 is a wasteful number, since it uses less digits than its factorization.

1139810974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25779.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 1139810974 is about 33761.0866827476. The cubic root of 1139810974 is about 1044.5861853668.

The spelling of 1139810974 in words is "one billion, one hundred thirty-nine million, eight hundred ten thousand, nine hundred seventy-four".