1139775680 has 28 divisors (see below), whose sum is σ = 2714091600. Its totient is φ = 455910144.

The previous prime is 1139775551. The next prime is 1139775701. The reversal of 1139775680 is 865779311.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780580 + ... + 1781219.

Almost surely, 2^1139775680 is an apocalyptic number.

1139775680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139775680 is an abundant number, since it is smaller than the sum of its proper divisors (1574315920).

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

1139775680 is an equidigital number, since it uses as much as digits as its factorization.

1139775680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561816 (or 3561806 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 1139775680 is about 33760.5639763319. The cubic root of 1139775680 is about 1044.5754034605.

The spelling of 1139775680 in words is "one billion, one hundred thirty-nine million, seven hundred seventy-five thousand, six hundred eighty".