1139675646 has 32 divisors (see below), whose sum is σ = 2357360640. Its totient is φ = 367095456.

The previous prime is 1139675633. The next prime is 1139675653. The reversal of 1139675646 is 6465769311.

It is a junction number, because it is equal to n+sod(n) for n = 1139675595 and 1139675604.

It is a congruent number.

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, 3301 + ... + 47856.

It is an arithmetic number, because the mean of its divisors is an integer number (73667520).

Almost surely, 2^1139675646 is an apocalyptic number.

1139675646 is an abundant number, since it is smaller than the sum of its proper divisors (1217684994).

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

1139675646 is a wasteful number, since it uses less digits than its factorization.

1139675646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51288.

The product of its digits is 816480, while the sum is 48.

The square root of 1139675646 is about 33759.0824223645. The cubic root of 1139675646 is about 1044.5448430280.

The spelling of 1139675646 in words is "one billion, one hundred thirty-nine million, six hundred seventy-five thousand, six hundred forty-six".