239345696138 has 32 divisors (see below), whose sum is σ = 383010465600. Its totient is φ = 111849296256.

The previous prime is 239345696129. The next prime is 239345696167. The reversal of 239345696138 is 831696543932.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2182670 + ... + 2289702.

It is an arithmetic number, because the mean of its divisors is an integer number (11969077050).

Almost surely, 2^239345696138 is an apocalyptic number.

239345696138 is a deficient number, since it is larger than the sum of its proper divisors (143664769462).

239345696138 is a wasteful number, since it uses less digits than its factorization.

239345696138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107846.

The product of its digits is 25194240, while the sum is 59.

The spelling of 239345696138 in words is "two hundred thirty-nine billion, three hundred forty-five million, six hundred ninety-six thousand, one hundred thirty-eight".