1139568 has 20 divisors (see below), whose sum is σ = 2944008. Its totient is φ = 379840.

The previous prime is 1139557. The next prime is 1139573. The reversal of 1139568 is 8659311.

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, 11823 + ... + 11918.

2^1139568 is an apocalyptic number.

It is an amenable number.

1139568 is an abundant number, since it is smaller than the sum of its proper divisors (1804440).

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

1139568 is a wasteful number, since it uses less digits than its factorization.

1139568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23752 (or 23746 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 1139568 is about 1067.5055034987. The cubic root of 1139568 is about 104.4511955128.

The spelling of 1139568 in words is "one million, one hundred thirty-nine thousand, five hundred sixty-eight".