128990190082 has 16 divisors (see below), whose sum is σ = 217428281280. Its totient is φ = 56945501712.

The previous prime is 128990190071. The next prime is 128990190083. The reversal of 128990190082 is 280091099821.

It is not an unprimeable number, because it can be changed into a prime (128990190083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107850732 + ... + 107851927.

It is an arithmetic number, because the mean of its divisors is an integer number (13589267580).

Almost surely, 2^128990190082 is an apocalyptic number.

128990190082 is a deficient number, since it is larger than the sum of its proper divisors (88438091198).

128990190082 is a wasteful number, since it uses less digits than its factorization.

128990190082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215702697.

The product of its (nonzero) digits is 186624, while the sum is 49.

The spelling of 128990190082 in words is "one hundred twenty-eight billion, nine hundred ninety million, one hundred ninety thousand, eighty-two".