128914182 has 48 divisors (see below), whose sum is σ = 291253248. Its totient is φ = 41163120.

The previous prime is 128914153. The next prime is 128914187. The reversal of 128914182 is 281419821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128914187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56353 + ... + 58595.

It is an arithmetic number, because the mean of its divisors is an integer number (6067776).

Almost surely, 2^128914182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128914182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145626624).

128914182 is an abundant number, since it is smaller than the sum of its proper divisors (162339066).

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

128914182 is a wasteful number, since it uses less digits than its factorization.

128914182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2382 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 128914182 is about 11354.0381362756. The cubic root of 128914182 is about 505.1653636148.

The spelling of 128914182 in words is "one hundred twenty-eight million, nine hundred fourteen thousand, one hundred eighty-two".