14135452221 has 32 divisors (see below), whose sum is σ = 21056555520. Its totient is φ = 8360654400.

The previous prime is 14135452189. The next prime is 14135452229. The reversal of 14135452221 is 12225453141.

14135452221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14135452221 - 2⁵ = 14135452189 is a prime.

It is a super-2 number, since 2×14135452221² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14135452229) 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 31 ways as a sum of consecutive naturals, for example, 2024266 + ... + 2031236.

It is an arithmetic number, because the mean of its divisors is an integer number (658017360).

Almost surely, 2^14135452221 is an apocalyptic number.

14135452221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14135452221 is a deficient number, since it is larger than the sum of its proper divisors (6921103299).

14135452221 is a wasteful number, since it uses less digits than its factorization.

14135452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457.

The product of its digits is 9600, while the sum is 30.

The spelling of 14135452221 in words is "fourteen billion, one hundred thirty-five million, four hundred fifty-two thousand, two hundred twenty-one".