1139759808 has 112 divisors (see below), whose sum is σ = 3320613120. Its totient is φ = 342144000.

The previous prime is 1139759759. The next prime is 1139759837. The reversal of 1139759808 is 8089579311.

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, 227733 + ... + 232683.

Almost surely, 2^1139759808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139759808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660306560).

1139759808 is an abundant number, since it is smaller than the sum of its proper divisors (2180853312).

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

1139759808 is a wasteful number, since it uses less digits than its factorization.

1139759808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The square root of 1139759808 is about 33760.3289083504. The cubic root of 1139759808 is about 1044.5705546766.

The spelling of 1139759808 in words is "one billion, one hundred thirty-nine million, seven hundred fifty-nine thousand, eight hundred eight".