14312133520 has 20 divisors (see below), whose sum is σ = 33275710620. Its totient is φ = 5724853376.

The previous prime is 14312133497. The next prime is 14312133523. The reversal of 14312133520 is 2533121341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5087683584 + 9224449936 = 71328^2 + 96044^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (14312133523) 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, 89450755 + ... + 89450914.

It is an arithmetic number, because the mean of its divisors is an integer number (1663785531).

Almost surely, 2^14312133520 is an apocalyptic number.

14312133520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14312133520 is an abundant number, since it is smaller than the sum of its proper divisors (18963577100).

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

14312133520 is a wasteful number, since it uses less digits than its factorization.

14312133520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178901682 (or 178901676 counting only the distinct ones).

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

Adding to 14312133520 its reverse (2533121341), we get a palindrome (16845254861).

The spelling of 14312133520 in words is "fourteen billion, three hundred twelve million, one hundred thirty-three thousand, five hundred twenty".