128564314 has 16 divisors (see below), whose sum is σ = 195644160. Its totient is φ = 63355600.

The previous prime is 128564311. The next prime is 128564321. The reversal of 128564314 is 413465821.

It is a self number, because there is not a number n which added to its sum of digits gives 128564314.

It is not an unprimeable number, because it can be changed into a prime (128564311) 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, 46947 + ... + 49609.

It is an arithmetic number, because the mean of its divisors is an integer number (12227760).

Almost surely, 2^128564314 is an apocalyptic number.

128564314 is a deficient number, since it is larger than the sum of its proper divisors (67079846).

128564314 is a wasteful number, since it uses less digits than its factorization.

128564314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its digits is 23040, while the sum is 34.

The square root of 128564314 is about 11338.6204628253. The cubic root of 128564314 is about 504.7079499469.

The spelling of 128564314 in words is "one hundred twenty-eight million, five hundred sixty-four thousand, three hundred fourteen".