14128140 has 96 divisors (see below), whose sum is σ = 43464960. Its totient is φ = 3407616.

The previous prime is 14128129. The next prime is 14128159. The reversal of 14128140 is 4182141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45867 + ... + 46173.

It is an arithmetic number, because the mean of its divisors is an integer number (452760).

Almost surely, 2^14128140 is an apocalyptic number.

14128140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14128140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21732480).

14128140 is an abundant number, since it is smaller than the sum of its proper divisors (29336820).

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

14128140 is a wasteful number, since it uses less digits than its factorization.

14128140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 14128140 is about 3758.7418107659. The cubic root of 14128140 is about 241.7473172488.

The spelling of 14128140 in words is "fourteen million, one hundred twenty-eight thousand, one hundred forty".