14125640 has 32 divisors (see below), whose sum is σ = 33653880. Its totient is φ = 5317632.

The previous prime is 14125621. The next prime is 14125649. The reversal of 14125640 is 4652141.

It can be written as a sum of positive squares in 4 ways, for example, as 14092516 + 33124 = 3754^2 + 182^2 .

It is not an unprimeable number, because it can be changed into a prime (14125649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9707 + ... + 11066.

Almost surely, 2^14125640 is an apocalyptic number.

14125640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14125640 is an abundant number, since it is smaller than the sum of its proper divisors (19528240).

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

14125640 is a wasteful number, since it uses less digits than its factorization.

14125640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20801 (or 20797 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 14125640 is about 3758.4092379623. The cubic root of 14125640 is about 241.7330571989.

Adding to 14125640 its reverse (4652141), we get a palindrome (18777781).

The spelling of 14125640 in words is "fourteen million, one hundred twenty-five thousand, six hundred forty".