138354117 has 16 divisors (see below), whose sum is σ = 201603072. Its totient is φ = 83700720.

The previous prime is 138354113. The next prime is 138354119. The reversal of 138354117 is 711453831.

It is not a de Polignac number, because 138354117 - 2² = 138354113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138354113) 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, 16578 + ... + 23484.

It is an arithmetic number, because the mean of its divisors is an integer number (12600192).

Almost surely, 2^138354117 is an apocalyptic number.

It is an amenable number.

138354117 is a deficient number, since it is larger than the sum of its proper divisors (63248955).

138354117 is a wasteful number, since it uses less digits than its factorization.

138354117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528.

The product of its digits is 10080, while the sum is 33.

The square root of 138354117 is about 11762.4026882266. The cubic root of 138354117 is about 517.2065651926.

The spelling of 138354117 in words is "one hundred thirty-eight million, three hundred fifty-four thousand, one hundred seventeen".