14130521 has 4 divisors (see below), whose sum is σ = 14146944. Its totient is φ = 14114100.

The previous prime is 14130517. The next prime is 14130539. The reversal of 14130521 is 12503141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14130521 - 2² = 14130517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14130521.

It is not an unprimeable number, because it can be changed into a prime (14130551) 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, 6845 + ... + 8666.

It is an arithmetic number, because the mean of its divisors is an integer number (3536736).

Almost surely, 2^14130521 is an apocalyptic number.

It is an amenable number.

14130521 is a deficient number, since it is larger than the sum of its proper divisors (16423).

14130521 is an equidigital number, since it uses as much as digits as its factorization.

14130521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16422.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 14130521 is about 3759.0585257482. The cubic root of 14130521 is about 241.7608969564.

Adding to 14130521 its reverse (12503141), we get a palindrome (26633662).

The spelling of 14130521 in words is "fourteen million, one hundred thirty thousand, five hundred twenty-one".