14134135021 has 4 divisors (see below), whose sum is σ = 14135609500. Its totient is φ = 14132660544.

The previous prime is 14134134997. The next prime is 14134135073. The reversal of 14134135021 is 12053143141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9074658121 + 5059476900 = 95261^2 + 71130^2 .

It is a cyclic number.

It is not a de Polignac number, because 14134135021 - 2¹¹ = 14134132973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14134135921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722766 + ... + 742063.

It is an arithmetic number, because the mean of its divisors is an integer number (3533902375).

Almost surely, 2^14134135021 is an apocalyptic number.

It is an amenable number.

14134135021 is a deficient number, since it is larger than the sum of its proper divisors (1474479).

14134135021 is an equidigital number, since it uses as much as digits as its factorization.

14134135021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474478.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 14134135021 its reverse (12053143141), we get a palindrome (26187278162).

The spelling of 14134135021 in words is "fourteen billion, one hundred thirty-four million, one hundred thirty-five thousand, twenty-one".