138270106 has 32 divisors (see below), whose sum is σ = 242726400. Its totient is φ = 58501440.

The previous prime is 138270101. The next prime is 138270109. The reversal of 138270106 is 601072831.

It is not an unprimeable number, because it can be changed into a prime (138270101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10800 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (7585200).

Almost surely, 2^138270106 is an apocalyptic number.

138270106 is a deficient number, since it is larger than the sum of its proper divisors (104456294).

138270106 is a wasteful number, since it uses less digits than its factorization.

138270106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 138270106 is about 11758.8309793108. The cubic root of 138270106 is about 517.1018584218.

The spelling of 138270106 in words is "one hundred thirty-eight million, two hundred seventy thousand, one hundred six".