14130451521 has 24 divisors (see below), whose sum is σ = 21186645480. Its totient is φ = 9064371456.

The previous prime is 14130451513. The next prime is 14130451523. The reversal of 14130451521 is 12515403141.

14130451521 is a `hidden beast` number, since 1 + 4 + 130 + 4 + 5 + 1 + 521 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7946831025 + 6183620496 = 89145^2 + 78636^2 .

It is not a de Polignac number, because 14130451521 - 2³ = 14130451513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14130451523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15916 + ... + 168861.

It is an arithmetic number, because the mean of its divisors is an integer number (882776895).

Almost surely, 2^14130451521 is an apocalyptic number.

It is an amenable number.

14130451521 is a deficient number, since it is larger than the sum of its proper divisors (7056193959).

14130451521 is a wasteful number, since it uses less digits than its factorization.

14130451521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185105 (or 185102 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 14130451521 its reverse (12515403141), we get a palindrome (26645854662).

The spelling of 14130451521 in words is "fourteen billion, one hundred thirty million, four hundred fifty-one thousand, five hundred twenty-one".