14135221 has 8 divisors (see below), whose sum is σ = 15282080. Its totient is φ = 13028688.

The previous prime is 14135213. The next prime is 14135237. The reversal of 14135221 is 12253141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14135221 - 2³ = 14135213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14135281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9351 + ... + 10756.

It is an arithmetic number, because the mean of its divisors is an integer number (1910260).

Almost surely, 2^14135221 is an apocalyptic number.

It is an amenable number.

14135221 is a deficient number, since it is larger than the sum of its proper divisors (1146859).

14135221 is a wasteful number, since it uses less digits than its factorization.

14135221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163.

The product of its digits is 240, while the sum is 19.

The square root of 14135221 is about 3759.6836303072. The cubic root of 14135221 is about 241.7876982861.

Adding to 14135221 its reverse (12253141), we get a palindrome (26388362).

The spelling of 14135221 in words is "fourteen million, one hundred thirty-five thousand, two hundred twenty-one".