138574106 has 32 divisors (see below), whose sum is σ = 252745920. Its totient is φ = 56160000.

The previous prime is 138574097. The next prime is 138574109. The reversal of 138574106 is 601475831.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138574109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2645 + ... + 16856.

It is an arithmetic number, because the mean of its divisors is an integer number (7898310).

Almost surely, 2^138574106 is an apocalyptic number.

138574106 is a deficient number, since it is larger than the sum of its proper divisors (114171814).

138574106 is a wasteful number, since it uses less digits than its factorization.

138574106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19550.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 138574106 is about 11771.7503371419. The cubic root of 138574106 is about 517.4805469284.

The spelling of 138574106 in words is "one hundred thirty-eight million, five hundred seventy-four thousand, one hundred six".