14331132520 has 32 divisors (see below), whose sum is σ = 32540884200. Its totient is φ = 5679859968.

The previous prime is 14331132469. The next prime is 14331132521. The reversal of 14331132520 is 2523113341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14080670244 + 250462276 = 118662^2 + 15826^2 .

It is not an unprimeable number, because it can be changed into a prime (14331132521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639119 + ... + 1647838.

Almost surely, 2^14331132520 is an apocalyptic number.

14331132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14331132520 is an abundant number, since it is smaller than the sum of its proper divisors (18209751680).

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

14331132520 is a wasteful number, since it uses less digits than its factorization.

14331132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287077 (or 3287073 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 14331132520 its reverse (2523113341), we get a palindrome (16854245861).

The spelling of 14331132520 in words is "fourteen billion, three hundred thirty-one million, one hundred thirty-two thousand, five hundred twenty".