128559467346 has 16 divisors (see below), whose sum is σ = 257372766144. Its totient is φ = 42810850544.

The previous prime is 128559467329. The next prime is 128559467359. The reversal of 128559467346 is 643764955821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 128559467346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10569726 + ... + 10581881.

It is an arithmetic number, because the mean of its divisors is an integer number (16085797884).

Almost surely, 2^128559467346 is an apocalyptic number.

128559467346 is an abundant number, since it is smaller than the sum of its proper divisors (128813298798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128559467346 is a wasteful number, since it uses less digits than its factorization.

128559467346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21152625.

The product of its digits is 43545600, while the sum is 60.

The spelling of 128559467346 in words is "one hundred twenty-eight billion, five hundred fifty-nine million, four hundred sixty-seven thousand, three hundred forty-six".