1139119279 has 4 divisors (see below), whose sum is σ = 1140025320. Its totient is φ = 1138213240.

The previous prime is 1139119253. The next prime is 1139119283. The reversal of 1139119279 is 9729119311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1139119279 - 2⁹ = 1139118767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139119379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451132 + ... + 453649.

It is an arithmetic number, because the mean of its divisors is an integer number (285006330).

Almost surely, 2^1139119279 is an apocalyptic number.

1139119279 is a deficient number, since it is larger than the sum of its proper divisors (906041).

1139119279 is an equidigital number, since it uses as much as digits as its factorization.

1139119279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906040.

The product of its digits is 30618, while the sum is 43.

The square root of 1139119279 is about 33750.8411598881. The cubic root of 1139119279 is about 1044.3748400168.

The spelling of 1139119279 in words is "one billion, one hundred thirty-nine million, one hundred nineteen thousand, two hundred seventy-nine".