128346128275 has 24 divisors (see below), whose sum is σ = 159437232864. Its totient is φ = 102491289600.

The previous prime is 128346128243. The next prime is 128346128321. The reversal of 128346128275 is 572821643821.

It is not a de Polignac number, because 128346128275 - 2⁵ = 128346128243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52968714 + ... + 52971136.

It is an arithmetic number, because the mean of its divisors is an integer number (6643218036).

Almost surely, 2^128346128275 is an apocalyptic number.

128346128275 is a deficient number, since it is larger than the sum of its proper divisors (31091104589).

128346128275 is a wasteful number, since it uses less digits than its factorization.

128346128275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391 (or 5386 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 128346128275 in words is "one hundred twenty-eight billion, three hundred forty-six million, one hundred twenty-eight thousand, two hundred seventy-five".