1139086290 has 32 divisors (see below), whose sum is σ = 2877693120. Its totient is φ = 287769024.

The previous prime is 1139086279. The next prime is 1139086321. The reversal of 1139086290 is 926809311.

It is a Curzon 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, 998629 + ... + 999768.

It is an arithmetic number, because the mean of its divisors is an integer number (89927910).

Almost surely, 2^1139086290 is an apocalyptic number.

1139086290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139086290 is an abundant number, since it is smaller than the sum of its proper divisors (1738606830).

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

1139086290 is a wasteful number, since it uses less digits than its factorization.

1139086290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998426.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1139086290 is about 33750.3524426042. The cubic root of 1139086290 is about 1044.3647581887.

The spelling of 1139086290 in words is "one billion, one hundred thirty-nine million, eighty-six thousand, two hundred ninety".