138188195006 has 32 divisors (see below), whose sum is σ = 213566696928. Its totient is φ = 67035824640.

The previous prime is 138188194981. The next prime is 138188195027. The reversal of 138188195006 is 600591881831.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018866 + ... + 3064298.

It is an arithmetic number, because the mean of its divisors is an integer number (6673959279).

Almost surely, 2^138188195006 is an apocalyptic number.

138188195006 is a deficient number, since it is larger than the sum of its proper divisors (75378501922).

138188195006 is a wasteful number, since it uses less digits than its factorization.

138188195006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45836.

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 138188195006 in words is "one hundred thirty-eight billion, one hundred eighty-eight million, one hundred ninety-five thousand, six".