1139053279 has 16 divisors (see below), whose sum is σ = 1410034752. Its totient is φ = 896007168.

The previous prime is 1139053277. The next prime is 1139053301. The reversal of 1139053279 is 9723509311.

It is not a de Polignac number, because 1139053279 - 2¹ = 1139053277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139053277) 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 15 ways as a sum of consecutive naturals, for example, 20434 + ... + 51919.

It is an arithmetic number, because the mean of its divisors is an integer number (88127172).

Almost surely, 2^1139053279 is an apocalyptic number.

1139053279 is a deficient number, since it is larger than the sum of its proper divisors (270981473).

1139053279 is a wasteful number, since it uses less digits than its factorization.

1139053279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72546.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 1139053279 is about 33749.8633923161. The cubic root of 1139053279 is about 1044.3546694423.

The spelling of 1139053279 in words is "one billion, one hundred thirty-nine million, fifty-three thousand, two hundred seventy-nine".