138798119 has 8 divisors (see below), whose sum is σ = 142029600. Its totient is φ = 135597600.

The previous prime is 138798083. The next prime is 138798151. The reversal of 138798119 is 911897831.

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 138798119 - 2²⁰ = 137749543 is a prime.

It is a super-2 number, since 2×138798119² = 38529835675876322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138798019) 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, 1454 + ... + 16724.

It is an arithmetic number, because the mean of its divisors is an integer number (17753700).

Almost surely, 2^138798119 is an apocalyptic number.

138798119 is a deficient number, since it is larger than the sum of its proper divisors (3231481).

138798119 is a wasteful number, since it uses less digits than its factorization.

138798119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15481.

The product of its digits is 108864, while the sum is 47.

The square root of 138798119 is about 11781.2613501272. The cubic root of 138798119 is about 517.7592424800.

The spelling of 138798119 in words is "one hundred thirty-eight million, seven hundred ninety-eight thousand, one hundred nineteen".