138106174405 has 8 divisors (see below), whose sum is σ = 165869916192. Its totient is φ = 110389934928.

The previous prime is 138106174397. The next prime is 138106174429. The reversal of 138106174405 is 504471601831.

138106174405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 138106174405 - 2³ = 138106174397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11869179 + ... + 11880808.

It is an arithmetic number, because the mean of its divisors is an integer number (20733739524).

Almost surely, 2^138106174405 is an apocalyptic number.

It is an amenable number.

138106174405 is a deficient number, since it is larger than the sum of its proper divisors (27763741787).

138106174405 is a wasteful number, since it uses less digits than its factorization.

138106174405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23751155.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 138106174405 in words is "one hundred thirty-eight billion, one hundred six million, one hundred seventy-four thousand, four hundred five".