128959714 has 16 divisors (see below), whose sum is σ = 211256640. Its totient is φ = 58680720.

The previous prime is 128959711. The next prime is 128959751. The reversal of 128959714 is 417959821.

It is not an unprimeable number, because it can be changed into a prime (128959711) 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, 33084 + ... + 36775.

It is an arithmetic number, because the mean of its divisors is an integer number (13203540).

Almost surely, 2^128959714 is an apocalyptic number.

128959714 is a deficient number, since it is larger than the sum of its proper divisors (82296926).

128959714 is a wasteful number, since it uses less digits than its factorization.

128959714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69945.

The product of its digits is 181440, while the sum is 46.

The square root of 128959714 is about 11356.0430608553. The cubic root of 128959714 is about 505.2248307775.

The spelling of 128959714 in words is "one hundred twenty-eight million, nine hundred fifty-nine thousand, seven hundred fourteen".