1139292838 has 8 divisors (see below), whose sum is σ = 1733009040. Its totient is φ = 561623160.

The previous prime is 1139292821. The next prime is 1139292883. The reversal of 1139292838 is 8382929311.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4011453 + ... + 4011736.

It is an arithmetic number, because the mean of its divisors is an integer number (216626130).

Almost surely, 2^1139292838 is an apocalyptic number.

1139292838 is a deficient number, since it is larger than the sum of its proper divisors (593716202).

1139292838 is an equidigital number, since it uses as much as digits as its factorization.

1139292838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023262.

The product of its digits is 186624, while the sum is 46.

The square root of 1139292838 is about 33753.4122423200. The cubic root of 1139292838 is about 1044.4278784917.

The spelling of 1139292838 in words is "one billion, one hundred thirty-nine million, two hundred ninety-two thousand, eight hundred thirty-eight".