128768001300 has 108 divisors (see below), whose sum is σ = 408725437120. Its totient is φ = 33903455040.

The previous prime is 128768001281. The next prime is 128768001331. The reversal of 128768001300 is 3100867821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 834442 + ... + 976641.

Almost surely, 2^128768001300 is an apocalyptic number.

128768001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128768001300 is an abundant number, since it is smaller than the sum of its proper divisors (279957435820).

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

128768001300 is a wasteful number, since it uses less digits than its factorization.

128768001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811182 (or 1811172 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 128768001300 in words is "one hundred twenty-eight billion, seven hundred sixty-eight million, one thousand, three hundred".