128957829414 has 16 divisors (see below), whose sum is σ = 258528290160. Its totient is φ = 42883837920.

The previous prime is 128957829391. The next prime is 128957829431. The reversal of 128957829414 is 414928759821.

128957829414 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25523569 + ... + 25528620.

It is an arithmetic number, because the mean of its divisors is an integer number (16158018135).

Almost surely, 2^128957829414 is an apocalyptic number.

128957829414 is an abundant number, since it is smaller than the sum of its proper divisors (129570460746).

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

128957829414 is a wasteful number, since it uses less digits than its factorization.

128957829414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51052615.

The product of its digits is 11612160, while the sum is 60.

The spelling of 128957829414 in words is "one hundred twenty-eight billion, nine hundred fifty-seven million, eight hundred twenty-nine thousand, four hundred fourteen".