128746659273 has 8 divisors (see below), whose sum is σ = 171777660288. Its totient is φ = 85773382224.

The previous prime is 128746659247. The next prime is 128746659287. The reversal of 128746659273 is 372956647821.

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

It is not a de Polignac number, because 128746659273 - 2⁵ = 128746659241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128746659673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14425786 + ... + 14434707.

It is an arithmetic number, because the mean of its divisors is an integer number (21472207536).

Almost surely, 2^128746659273 is an apocalyptic number.

It is an amenable number.

128746659273 is a deficient number, since it is larger than the sum of its proper divisors (43031001015).

128746659273 is a wasteful number, since it uses less digits than its factorization.

128746659273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28861983.

The product of its digits is 30481920, while the sum is 60.

The spelling of 128746659273 in words is "one hundred twenty-eight billion, seven hundred forty-six million, six hundred fifty-nine thousand, two hundred seventy-three".