14133440 has 56 divisors (see below), whose sum is σ = 34838640. Its totient is φ = 5454848.

The previous prime is 14133439. The next prime is 14133461. The reversal of 14133440 is 4433141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 8519 + ... + 10041.

Almost surely, 2^14133440 is an apocalyptic number.

14133440 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 14133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17419320).

14133440 is an abundant number, since it is smaller than the sum of its proper divisors (20705200).

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

14133440 is a wasteful number, since it uses less digits than its factorization.

14133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 14133440 is about 3759.4467678104. The cubic root of 14133440 is about 241.7775429921. Note that the first 3 decimals are identical.

Adding to 14133440 its reverse (4433141), we get a palindrome (18566581).

The spelling of 14133440 in words is "fourteen million, one hundred thirty-three thousand, four hundred forty".