138001106 has 8 divisors (see below), whose sum is σ = 210091440. Its totient is φ = 67970628.

The previous prime is 138001103. The next prime is 138001109. The reversal of 138001106 is 601100831.

138001106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138001103) and next prime (138001109).

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

It is not an unprimeable number, because it can be changed into a prime (138001103) 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, 514796 + ... + 515063.

It is an arithmetic number, because the mean of its divisors is an integer number (26261430).

Almost surely, 2^138001106 is an apocalyptic number.

138001106 is a deficient number, since it is larger than the sum of its proper divisors (72090334).

138001106 is a wasteful number, since it uses less digits than its factorization.

138001106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029928.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 138001106 is about 11747.3871988626. The cubic root of 138001106 is about 516.7663057689.

Adding to 138001106 its reverse (601100831), we get a palindrome (739101937).

The spelling of 138001106 in words is "one hundred thirty-eight million, one thousand, one hundred six".