138936810594 has 8 divisors (see below), whose sum is σ = 277873621200. Its totient is φ = 46312270196.

The previous prime is 138936810589. The next prime is 138936810611. The reversal of 138936810594 is 495018639831.

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

138936810594 is an admirable number.

It is an unprimeable number.

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, 11578067544 + ... + 11578067555.

It is an arithmetic number, because the mean of its divisors is an integer number (34734202650).

Almost surely, 2^138936810594 is an apocalyptic number.

138936810594 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138936810594 is a wasteful number, since it uses less digits than its factorization.

138936810594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23156135104.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 138936810594 in words is "one hundred thirty-eight billion, nine hundred thirty-six million, eight hundred ten thousand, five hundred ninety-four".