102039996239 has 4 divisors (see below), whose sum is σ = 102818927640. Its totient is φ = 101261064840.

The previous prime is 102039996221. The next prime is 102039996251. The reversal of 102039996239 is 932699930201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932699930201 = 13 ⋅71746148477.

It is a cyclic number.

It is not a de Polignac number, because 102039996239 - 2¹⁶ = 102039930703 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 (102039998239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389465504 + ... + 389465765.

It is an arithmetic number, because the mean of its divisors is an integer number (25704731910).

Almost surely, 2^102039996239 is an apocalyptic number.

102039996239 is a deficient number, since it is larger than the sum of its proper divisors (778931401).

102039996239 is an equidigital number, since it uses as much as digits as its factorization.

102039996239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778931400.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The spelling of 102039996239 in words is "one hundred two billion, thirty-nine million, nine hundred ninety-six thousand, two hundred thirty-nine".