128018627814 has 32 divisors (see below), whose sum is σ = 319215280896. Its totient is φ = 33251591520.

The previous prime is 128018627801. The next prime is 128018627819. The reversal of 128018627814 is 418726810821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128018627819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138547837 + ... + 138548760.

It is an arithmetic number, because the mean of its divisors is an integer number (9975477528).

Almost surely, 2^128018627814 is an apocalyptic number.

128018627814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128018627814 is an abundant number, since it is smaller than the sum of its proper divisors (191196653082).

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

128018627814 is a wasteful number, since it uses less digits than its factorization.

128018627814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277096620.

The product of its (nonzero) digits is 344064, while the sum is 48.

The spelling of 128018627814 in words is "one hundred twenty-eight billion, eighteen million, six hundred twenty-seven thousand, eight hundred fourteen".