128740793836104 has 384 divisors, whose sum is σ = 374762749870080. Its totient is φ = 39783399782400.

The previous prime is 128740793836099. The next prime is 128740793836139. The reversal of 128740793836104 is 401638397047821.

128740793836104 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 4 + 0 + 7 + 9 + 3 + 8 + 3 + 610 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60413323119 + ... + 60413325249.

It is an arithmetic number, because the mean of its divisors is an integer number (975944661120).

Almost surely, 2^{128740793836104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128740793836104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187381374935040).

128740793836104 is an abundant number, since it is smaller than the sum of its proper divisors (246021956033976).

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

128740793836104 is a wasteful number, since it uses less digits than its factorization.

128740793836104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601 (or 4594 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 128740793836104 in words is "one hundred twenty-eight trillion, seven hundred forty billion, seven hundred ninety-three million, eight hundred thirty-six thousand, one hundred four".