138274917219 has 6 divisors (see below), whose sum is σ = 199730435996. Its totient is φ = 92183278140.

The previous prime is 138274917211. The next prime is 138274917227. The reversal of 138274917219 is 912719472831.

138274917219 is a `hidden beast` number, since 1 + 3 + 82 + 7 + 491 + 72 + 1 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (138274917211) and next prime (138274917227).

It is not a de Polignac number, because 138274917219 - 2³ = 138274917211 is a prime.

It is a super-2 number, since 2×138274917219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138274917211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7681939837 + ... + 7681939854.

Almost surely, 2^138274917219 is an apocalyptic number.

138274917219 is a deficient number, since it is larger than the sum of its proper divisors (61455518777).

138274917219 is a wasteful number, since it uses less digits than its factorization.

138274917219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363879697 (or 15363879694 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The spelling of 138274917219 in words is "one hundred thirty-eight billion, two hundred seventy-four million, nine hundred seventeen thousand, two hundred nineteen".