1139358880 has 48 divisors (see below), whose sum is σ = 2936443104. Its totient is φ = 414311680.

The previous prime is 1139358877. The next prime is 1139358907. The reversal of 1139358880 is 888539311.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1139358880.

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, 321922 + ... + 325441.

It is an arithmetic number, because the mean of its divisors is an integer number (61175898).

Almost surely, 2^1139358880 is an apocalyptic number.

1139358880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139358880 is an abundant number, since it is smaller than the sum of its proper divisors (1797084224).

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

1139358880 is a wasteful number, since it uses less digits than its factorization.

1139358880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647389 (or 647381 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 1139358880 is about 33754.3905292334. The cubic root of 1139358880 is about 1044.4480590724.

The spelling of 1139358880 in words is "one billion, one hundred thirty-nine million, three hundred fifty-eight thousand, eight hundred eighty".