239336666139 has 8 divisors (see below), whose sum is σ = 319120072720. Its totient is φ = 159555518496.

The previous prime is 239336666099. The next prime is 239336666197. The reversal of 239336666139 is 931666633932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 239336666139 - 2⁹ = 239336665627 is a prime.

It is a super-2 number, since 2×239336666139² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239336666339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299752 + ... + 754005.

It is an arithmetic number, because the mean of its divisors is an integer number (39890009090).

Almost surely, 2^239336666139 is an apocalyptic number.

239336666139 is a deficient number, since it is larger than the sum of its proper divisors (79783406581).

239336666139 is a wasteful number, since it uses less digits than its factorization.

239336666139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129469.

The product of its digits is 17006112, while the sum is 57.

The spelling of 239336666139 in words is "two hundred thirty-nine billion, three hundred thirty-six million, six hundred sixty-six thousand, one hundred thirty-nine".