14540140 has 48 divisors (see below), whose sum is σ = 32372928. Its totient is φ = 5474304.

The previous prime is 14540101. The next prime is 14540153. The reversal of 14540140 is 4104541.

It is a super-2 number, since 2×14540140² = 422831342439200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33364 + ... + 33796.

It is an arithmetic number, because the mean of its divisors is an integer number (674436).

Almost surely, 2^14540140 is an apocalyptic number.

14540140 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 14540140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16186464).

14540140 is an abundant number, since it is smaller than the sum of its proper divisors (17832788).

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

14540140 is a wasteful number, since it uses less digits than its factorization.

14540140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 14540140 is about 3813.1535505405. The cubic root of 14540140 is about 244.0747553799.

Adding to 14540140 its reverse (4104541), we get a palindrome (18644681).

The spelling of 14540140 in words is "fourteen million, five hundred forty thousand, one hundred forty".