138092186 has 8 divisors (see below), whose sum is σ = 207191424. Its totient is φ = 69028380.

The previous prime is 138092183. The next prime is 138092219. The reversal of 138092186 is 681290831.

138092186 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 Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138092183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621 + ... + 17543.

It is an arithmetic number, because the mean of its divisors is an integer number (25898928).

Almost surely, 2^138092186 is an apocalyptic number.

138092186 is a deficient number, since it is larger than the sum of its proper divisors (69099238).

138092186 is a wasteful number, since it uses less digits than its factorization.

138092186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17716.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 138092186 is about 11751.2631661452. The cubic root of 138092186 is about 516.8799684431.

The spelling of 138092186 in words is "one hundred thirty-eight million, ninety-two thousand, one hundred eighty-six".