128181814314 has 16 divisors (see below), whose sum is σ = 258207972960. Its totient is φ = 42419880720.

The previous prime is 128181814273. The next prime is 128181814381. The reversal of 128181814314 is 413418181821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76846777 + ... + 76848444.

It is an arithmetic number, because the mean of its divisors is an integer number (16137998310).

Almost surely, 2^128181814314 is an apocalyptic number.

128181814314 is an abundant number, since it is smaller than the sum of its proper divisors (130026158646).

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

128181814314 is a wasteful number, since it uses less digits than its factorization.

128181814314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153695365.

The product of its digits is 49152, while the sum is 42.

The spelling of 128181814314 in words is "one hundred twenty-eight billion, one hundred eighty-one million, eight hundred fourteen thousand, three hundred fourteen".