138559199 has 8 divisors (see below), whose sum is σ = 147035520. Its totient is φ = 130287256.

The previous prime is 138559177. The next prime is 138559217. The reversal of 138559199 is 991955831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 138559199 - 2²⁰ = 137510623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138559699) 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, 49697 + ... + 52410.

It is an arithmetic number, because the mean of its divisors is an integer number (18379440).

Almost surely, 2^138559199 is an apocalyptic number.

138559199 is a deficient number, since it is larger than the sum of its proper divisors (8476321).

138559199 is a wasteful number, since it uses less digits than its factorization.

138559199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102189.

The product of its digits is 437400, while the sum is 50.

The square root of 138559199 is about 11771.1171517405. The cubic root of 138559199 is about 517.4619904093.

The spelling of 138559199 in words is "one hundred thirty-eight million, five hundred fifty-nine thousand, one hundred ninety-nine".