138517482118 has 8 divisors (see below), whose sum is σ = 207830583648. Its totient is φ = 69240620904.

The previous prime is 138517482113. The next prime is 138517482127. The reversal of 138517482118 is 811284715831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138517482113) 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, 9050521 + ... + 9065812.

It is an arithmetic number, because the mean of its divisors is an integer number (25978822956).

Almost surely, 2^138517482118 is an apocalyptic number.

138517482118 is a deficient number, since it is larger than the sum of its proper divisors (69313101530).

138517482118 is a wasteful number, since it uses less digits than its factorization.

138517482118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18120158.

The product of its digits is 430080, while the sum is 49.

The spelling of 138517482118 in words is "one hundred thirty-eight billion, five hundred seventeen million, four hundred eighty-two thousand, one hundred eighteen".