138814518288 has 40 divisors (see below), whose sum is σ = 359421092800. Its totient is φ = 46166097024.

The previous prime is 138814518287. The next prime is 138814518289. The reversal of 138814518288 is 882815418831.

It is an interprime number because it is at equal distance from previous prime (138814518287) and next prime (138814518289).

It is not an unprimeable number, because it can be changed into a prime (138814518287) 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, 3272743 + ... + 3314886.

It is an arithmetic number, because the mean of its divisors is an integer number (8985527320).

Almost surely, 2^138814518288 is an apocalyptic number.

It is an amenable number.

138814518288 is an abundant number, since it is smaller than the sum of its proper divisors (220606574512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138814518288 is a wasteful number, since it uses less digits than its factorization.

138814518288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6588079 (or 6588073 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 57.

The spelling of 138814518288 in words is "one hundred thirty-eight billion, eight hundred fourteen million, five hundred eighteen thousand, two hundred eighty-eight".