138617106 has 8 divisors (see below), whose sum is σ = 277234224. Its totient is φ = 46205700.

The previous prime is 138617081. The next prime is 138617177. The reversal of 138617106 is 601716831.

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

138617106 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11551420 + ... + 11551431.

It is an arithmetic number, because the mean of its divisors is an integer number (34654278).

Almost surely, 2^138617106 is an apocalyptic number.

138617106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138617106 is a wasteful number, since it uses less digits than its factorization.

138617106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23102856.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 138617106 is about 11773.5766018657. The cubic root of 138617106 is about 517.5340666971.

The spelling of 138617106 in words is "one hundred thirty-eight million, six hundred seventeen thousand, one hundred six".