14660140 has 48 divisors (see below), whose sum is σ = 34511904. Its totient is φ = 5184000.

The previous prime is 14660123. The next prime is 14660141. The reversal of 14660140 is 4106641.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (14660141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7240 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (718998).

Almost surely, 2^14660140 is an apocalyptic number.

14660140 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 14660140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17255952).

14660140 is an abundant number, since it is smaller than the sum of its proper divisors (19851764).

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

14660140 is a wasteful number, since it uses less digits than its factorization.

14660140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 14660140 is about 3828.8562260811. The cubic root of 14660140 is about 244.7443675466.

Adding to 14660140 its reverse (4106641), we get a palindrome (18766781).

It can be divided in two parts, 146601 and 40, that added together give a palindrome (146641).

The spelling of 14660140 in words is "fourteen million, six hundred sixty thousand, one hundred forty".