128969838130 has 32 divisors (see below), whose sum is σ = 267788923776. Its totient is φ = 43804973184.

The previous prime is 128969838083. The next prime is 128969838133. The reversal of 128969838130 is 31838969821.

It is not an unprimeable number, because it can be changed into a prime (128969838133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8601979 + ... + 8616958.

It is an arithmetic number, because the mean of its divisors is an integer number (8368403868).

Almost surely, 2^128969838130 is an apocalyptic number.

128969838130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128969838130 is an abundant number, since it is smaller than the sum of its proper divisors (138819085646).

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

128969838130 is a wasteful number, since it uses less digits than its factorization.

128969838130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17219058.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 128969838130 in words is "one hundred twenty-eight billion, nine hundred sixty-nine million, eight hundred thirty-eight thousand, one hundred thirty".