1039599139 has 4 divisors (see below), whose sum is σ = 1042920856. Its totient is φ = 1036277424.

The previous prime is 1039599137. The next prime is 1039599179. The reversal of 1039599139 is 9319959301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9319959301 = 647 ⋅14404883.

It is a cyclic number.

It is not a de Polignac number, because 1039599139 - 2¹ = 1039599137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1039599092 and 1039599101.

It is not an unprimeable number, because it can be changed into a prime (1039599131) 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, 1660389 + ... + 1661014.

It is an arithmetic number, because the mean of its divisors is an integer number (260730214).

Almost surely, 2^1039599139 is an apocalyptic number.

1039599139 is a deficient number, since it is larger than the sum of its proper divisors (3321717).

1039599139 is an equidigital number, since it uses as much as digits as its factorization.

1039599139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321716.

The product of its (nonzero) digits is 295245, while the sum is 49.

The square root of 1039599139 is about 32242.8153082202. The cubic root of 1039599139 is about 1013.0292152677.

The spelling of 1039599139 in words is "one billion, thirty-nine million, five hundred ninety-nine thousand, one hundred thirty-nine".