134321143134221 has 4 divisors (see below), whose sum is σ = 135287482293600. Its totient is φ = 133354803974844.

The previous prime is 134321143134203. The next prime is 134321143134223. The reversal of 134321143134221 is 122431341123431.

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 a de Polignac number, because none of the positive numbers 2^k-134321143134221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134321143134223) 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, 483169579481 + ... + 483169579758.

It is an arithmetic number, because the mean of its divisors is an integer number (33821870573400).

Almost surely, 2^{134321143134221} is an apocalyptic number.

It is an amenable number.

134321143134221 is a deficient number, since it is larger than the sum of its proper divisors (966339159379).

134321143134221 is an equidigital number, since it uses as much as digits as its factorization.

134321143134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966339159378.

The product of its digits is 41472, while the sum is 35.

Adding to 134321143134221 its reverse (122431341123431), we get a palindrome (256752484257652).

The spelling of 134321143134221 in words is "one hundred thirty-four trillion, three hundred twenty-one billion, one hundred forty-three million, one hundred thirty-four thousand, two hundred twenty-one".