138239186119 has 4 divisors (see below), whose sum is σ = 138731140800. Its totient is φ = 137747231440.

The previous prime is 138239186089. The next prime is 138239186159. The reversal of 138239186119 is 911681932831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911681932831 = 24251 ⋅37593581.

It is a cyclic number.

It is not a de Polignac number, because 138239186119 - 2¹⁷ = 138239055047 is a prime.

It is a super-2 number, since 2×138239186119² (a number of 23 digits) 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 (138239186159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245976919 + ... + 245977480.

It is an arithmetic number, because the mean of its divisors is an integer number (34682785200).

Almost surely, 2^138239186119 is an apocalyptic number.

138239186119 is a deficient number, since it is larger than the sum of its proper divisors (491954681).

138239186119 is an equidigital number, since it uses as much as digits as its factorization.

138239186119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491954680.

The product of its digits is 559872, while the sum is 52.

The spelling of 138239186119 in words is "one hundred thirty-eight billion, two hundred thirty-nine million, one hundred eighty-six thousand, one hundred nineteen".