128748836594 has 16 divisors (see below), whose sum is σ = 221236558656. Its totient is φ = 55047006000.

The previous prime is 128748836591. The next prime is 128748836599. The reversal of 128748836594 is 495638847821.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 128748836594.

It is not an unprimeable number, because it can be changed into a prime (128748836591) 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, 10916132 + ... + 10927919.

It is an arithmetic number, because the mean of its divisors is an integer number (13827284916).

Almost surely, 2^128748836594 is an apocalyptic number.

128748836594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128748836594 is a deficient number, since it is larger than the sum of its proper divisors (92487722062).

128748836594 is a wasteful number, since it uses less digits than its factorization.

128748836594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21844481.

The product of its digits is 92897280, while the sum is 65.

The spelling of 128748836594 in words is "one hundred twenty-eight billion, seven hundred forty-eight million, eight hundred thirty-six thousand, five hundred ninety-four".