1139356290 has 64 divisors (see below), whose sum is σ = 2879712000. Its totient is φ = 287933184.

The previous prime is 1139356199. The next prime is 1139356307. The reversal of 1139356290 is 926539311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67636 + ... + 82784.

It is an arithmetic number, because the mean of its divisors is an integer number (44995500).

Almost surely, 2^1139356290 is an apocalyptic number.

1139356290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139356290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439856000).

1139356290 is an abundant number, since it is smaller than the sum of its proper divisors (1740355710).

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

1139356290 is a wasteful number, since it uses less digits than its factorization.

1139356290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 1139356290 is about 33754.3521638321. The cubic root of 1139356290 is about 1044.4472676558.

The spelling of 1139356290 in words is "one billion, one hundred thirty-nine million, three hundred fifty-six thousand, two hundred ninety".