138107154 has 16 divisors (see below), whose sum is σ = 276442848. Its totient is φ = 45997632.

The previous prime is 138107153. The next prime is 138107159. The reversal of 138107154 is 451701831.

It is not an unprimeable number, because it can be changed into a prime (138107153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 16655.

It is an arithmetic number, because the mean of its divisors is an integer number (17277678).

Almost surely, 2^138107154 is an apocalyptic number.

138107154 is an abundant number, since it is smaller than the sum of its proper divisors (138335694).

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

138107154 is a wasteful number, since it uses less digits than its factorization.

138107154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 138107154 is about 11751.9000165931. The cubic root of 138107154 is about 516.8986428762.

Adding to 138107154 its reverse (451701831), we get a palindrome (589808985).

The spelling of 138107154 in words is "one hundred thirty-eight million, one hundred seven thousand, one hundred fifty-four".