128746273355 has 16 divisors (see below), whose sum is σ = 176616099840. Its totient is φ = 88258267872.

The previous prime is 128746273351. The next prime is 128746273373. The reversal of 128746273355 is 553372647821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128746273355 - 2² = 128746273351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128746273297 and 128746273306.

It is not an unprimeable number, because it can be changed into a prime (128746273351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392219 + ... + 641348.

It is an arithmetic number, because the mean of its divisors is an integer number (11038506240).

Almost surely, 2^128746273355 is an apocalyptic number.

128746273355 is a deficient number, since it is larger than the sum of its proper divisors (47869826485).

128746273355 is a wasteful number, since it uses less digits than its factorization.

128746273355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037138.

The product of its digits is 8467200, while the sum is 53.

The spelling of 128746273355 in words is "one hundred twenty-eight billion, seven hundred forty-six million, two hundred seventy-three thousand, three hundred fifty-five".