18138750114 has 32 divisors (see below), whose sum is σ = 37568450304. Its totient is φ = 5834480400.

The previous prime is 18138750053. The next prime is 18138750127. The reversal of 18138750114 is 41105783181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402112 + ... + 444939.

It is an arithmetic number, because the mean of its divisors is an integer number (1174014072).

Almost surely, 2^18138750114 is an apocalyptic number.

18138750114 is an abundant number, since it is smaller than the sum of its proper divisors (19429700190).

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

18138750114 is a wasteful number, since it uses less digits than its factorization.

18138750114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847182.

The product of its (nonzero) digits is 26880, while the sum is 39.

The spelling of 18138750114 in words is "eighteen billion, one hundred thirty-eight million, seven hundred fifty thousand, one hundred fourteen".