128098219914 has 96 divisors (see below), whose sum is σ = 326813011200. Its totient is φ = 36243976608.

The previous prime is 128098219897. The next prime is 128098219937. The reversal of 128098219914 is 419912890821.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535204 + ... + 736640.

It is an arithmetic number, because the mean of its divisors is an integer number (3404302200).

Almost surely, 2^128098219914 is an apocalyptic number.

128098219914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128098219914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163406505600).

128098219914 is an abundant number, since it is smaller than the sum of its proper divisors (198714791286).

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

128098219914 is a wasteful number, since it uses less digits than its factorization.

128098219914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201569 (or 201552 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 128098219914 in words is "one hundred twenty-eight billion, ninety-eight million, two hundred nineteen thousand, nine hundred fourteen".