1139808108 has 24 divisors (see below), whose sum is σ = 2664177712. Its totient is φ = 379275264.

The previous prime is 1139808091. The next prime is 1139808143. The reversal of 1139808108 is 8018089311.

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, 75385 + ... + 89232.

Almost surely, 2^1139808108 is an apocalyptic number.

It is an amenable number.

1139808108 is an abundant number, since it is smaller than the sum of its proper divisors (1524369604).

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

1139808108 is a wasteful number, since it uses less digits than its factorization.

1139808108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165201 (or 165199 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 1139808108 is about 33761.0442374047. The cubic root of 1139808108 is about 1044.5853098454.

The spelling of 1139808108 in words is "one billion, one hundred thirty-nine million, eight hundred eight thousand, one hundred eight".