128194830100 has 36 divisors (see below), whose sum is σ = 287156426368. Its totient is φ = 49623804000.

The previous prime is 128194830089. The next prime is 128194830109. The reversal of 128194830100 is 1038491821.

It is a self number, because there is not a number n which added to its sum of digits gives 128194830100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128194830109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20673486 + ... + 20679685.

Almost surely, 2^128194830100 is an apocalyptic number.

128194830100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128194830100 is an abundant number, since it is smaller than the sum of its proper divisors (158961596268).

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

128194830100 is a wasteful number, since it uses less digits than its factorization.

128194830100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41353216 (or 41353209 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 128194830100 in words is "one hundred twenty-eight billion, one hundred ninety-four million, eight hundred thirty thousand, one hundred".