134013022021 has 2 divisors, whose sum is σ = 134013022022. Its totient is φ = 134013022020.

The previous prime is 134013022019. The next prime is 134013022057. The reversal of 134013022021 is 120220310431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106651230625 + 27361791396 = 326575^2 + 165414^2 .

It is a cyclic number.

It is not a de Polignac number, because 134013022021 - 2¹ = 134013022019 is a prime.

Together with 134013022019, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 134013022021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134013022061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67006511010 + 67006511011.

It is an arithmetic number, because the mean of its divisors is an integer number (67006511011).

Almost surely, 2^134013022021 is an apocalyptic number.

It is an amenable number.

134013022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

134013022021 is an equidigital number, since it uses as much as digits as its factorization.

134013022021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 134013022021 its reverse (120220310431), we get a palindrome (254233332452).

The spelling of 134013022021 in words is "one hundred thirty-four billion, thirteen million, twenty-two thousand, twenty-one".