1139659886 has 16 divisors (see below), whose sum is σ = 1733526144. Its totient is φ = 561845304.

The previous prime is 1139659879. The next prime is 1139659891. The reversal of 1139659886 is 6889569311.

It is a Curzon number.

It is a congruent number.

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, 80255 + ... + 93381.

It is an arithmetic number, because the mean of its divisors is an integer number (108345384).

Almost surely, 2^1139659886 is an apocalyptic number.

1139659886 is a deficient number, since it is larger than the sum of its proper divisors (593866258).

1139659886 is a wasteful number, since it uses less digits than its factorization.

1139659886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735.

The product of its digits is 2799360, while the sum is 56.

The square root of 1139659886 is about 33758.8490028911. The cubic root of 1139659886 is about 1044.5400281778.

The spelling of 1139659886 in words is "one billion, one hundred thirty-nine million, six hundred fifty-nine thousand, eight hundred eighty-six".