14144140 has 24 divisors (see below), whose sum is σ = 29826720. Its totient is φ = 5634048.

The previous prime is 14144111. The next prime is 14144161. The reversal of 14144140 is 4144141.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3916 + ... + 6604.

It is an arithmetic number, because the mean of its divisors is an integer number (1242780).

Almost surely, 2^14144140 is an apocalyptic number.

14144140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14144140 is an abundant number, since it is smaller than the sum of its proper divisors (15682580).

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

14144140 is a wasteful number, since it uses less digits than its factorization.

14144140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2959 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 14144140 is about 3760.8695802966. The cubic root of 14144140 is about 241.8385417565.

Adding to 14144140 its reverse (4144141), we get a palindrome (18288281).

Subtracting from 14144140 its reverse (4144141), we obtain a palindrome (9999999).

The spelling of 14144140 in words is "fourteen million, one hundred forty-four thousand, one hundred forty".