128341167309 has 8 divisors (see below), whose sum is σ = 190135062720. Its totient is φ = 85560778188.

The previous prime is 128341167299. The next prime is 128341167313. The reversal of 128341167309 is 903761143821.

128341167309 is a `hidden beast` number, since 1 + 283 + 4 + 1 + 1 + 67 + 309 = 666.

It is not a de Polignac number, because 128341167309 - 2¹⁶ = 128341101773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128341167329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2376688257 + ... + 2376688310.

It is an arithmetic number, because the mean of its divisors is an integer number (23766882840).

Almost surely, 2^128341167309 is an apocalyptic number.

It is an amenable number.

128341167309 is a deficient number, since it is larger than the sum of its proper divisors (61793895411).

128341167309 is an equidigital number, since it uses as much as digits as its factorization.

128341167309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753376576 (or 4753376570 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 128341167309 in words is "one hundred twenty-eight billion, three hundred forty-one million, one hundred sixty-seven thousand, three hundred nine".