1039139239 has 2 divisors, whose sum is σ = 1039139240. Its totient is φ = 1039139238.

The previous prime is 1039139177. The next prime is 1039139303. The reversal of 1039139239 is 9329319301.

1039139239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1039139239 - 2¹⁷ = 1039008167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1039139939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519569619 + 519569620.

It is an arithmetic number, because the mean of its divisors is an integer number (519569620).

Almost surely, 2^1039139239 is an apocalyptic number.

1039139239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039139239 is an equidigital number, since it uses as much as digits as its factorization.

1039139239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 1039139239 is about 32235.6826979048. The cubic root of 1039139239 is about 1012.8798112534.

The spelling of 1039139239 in words is "one billion, thirty-nine million, one hundred thirty-nine thousand, two hundred thirty-nine".