138827106 has 24 divisors (see below), whose sum is σ = 328137264. Its totient is φ = 42068760.

The previous prime is 138827077. The next prime is 138827173. The reversal of 138827106 is 601728831.

138827106 is a `hidden beast` number, since 1 + 388 + 271 + 0 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350376 + ... + 350771.

It is an arithmetic number, because the mean of its divisors is an integer number (13672386).

Almost surely, 2^138827106 is an apocalyptic number.

138827106 is an abundant number, since it is smaller than the sum of its proper divisors (189310158).

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

138827106 is a wasteful number, since it uses less digits than its factorization.

138827106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701166 (or 701163 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 138827106 is about 11782.4915022248. The cubic root of 138827106 is about 517.7952834163.

The spelling of 138827106 in words is "one hundred thirty-eight million, eight hundred twenty-seven thousand, one hundred six".