128319002 has 8 divisors (see below), whose sum is σ = 219975456. Its totient is φ = 54993852.

The previous prime is 128318969. The next prime is 128319007. The reversal of 128319002 is 200913821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (128319007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4582808 + ... + 4582835.

It is an arithmetic number, because the mean of its divisors is an integer number (27496932).

Almost surely, 2^128319002 is an apocalyptic number.

128319002 is a deficient number, since it is larger than the sum of its proper divisors (91656454).

128319002 is an equidigital number, since it uses as much as digits as its factorization.

128319002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165652.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 128319002 is about 11327.7977559630. The cubic root of 128319002 is about 504.3867365306.

The spelling of 128319002 in words is "one hundred twenty-eight million, three hundred nineteen thousand, two".