1139856604 has 12 divisors (see below), whose sum is σ = 2004204328. Its totient is φ = 567226800.

The previous prime is 1139856593. The next prime is 1139856611. The reversal of 1139856604 is 4066589311.

It is a congruent number.

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, 674427 + ... + 676114.

Almost surely, 2^1139856604 is an apocalyptic number.

It is an amenable number.

1139856604 is a deficient number, since it is larger than the sum of its proper divisors (864347724).

1139856604 is a wasteful number, since it uses less digits than its factorization.

1139856604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350756 (or 1350754 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1139856604 is about 33761.7624539952. The cubic root of 1139856604 is about 1044.6001244709.

The spelling of 1139856604 in words is "one billion, one hundred thirty-nine million, eight hundred fifty-six thousand, six hundred four".