14133640 has 16 divisors (see below), whose sum is σ = 31800780. Its totient is φ = 5653440.

The previous prime is 14133617. The next prime is 14133649. The reversal of 14133640 is 4633141.

14133640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14032516 + 101124 = 3746^2 + 318^2 .

It is not an unprimeable number, because it can be changed into a prime (14133649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176631 + ... + 176710.

Almost surely, 2^14133640 is an apocalyptic number.

14133640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14133640 is an abundant number, since it is smaller than the sum of its proper divisors (17667140).

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

14133640 is a wasteful number, since it uses less digits than its factorization.

14133640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353352 (or 353348 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 14133640 is about 3759.4733673747. The cubic root of 14133640 is about 241.7786834382.

Adding to 14133640 its reverse (4633141), we get a palindrome (18766781).

It can be divided in two parts, 141336 and 40, that added together give a square (141376 = 376²).

The spelling of 14133640 in words is "fourteen million, one hundred thirty-three thousand, six hundred forty".