134322410021 has 2 divisors, whose sum is σ = 134322410022. Its totient is φ = 134322410020.

The previous prime is 134322410017. The next prime is 134322410023. The reversal of 134322410021 is 120014223431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132215140996 + 2107269025 = 363614^2 + 45905^2 .

It is an emirp because it is prime and its reverse (120014223431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134322410021 - 2² = 134322410017 is a prime.

It is a Sophie Germain prime.

Together with 134322410023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134322410023) 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 as a sum of consecutive naturals, namely, 67161205010 + 67161205011.

It is an arithmetic number, because the mean of its divisors is an integer number (67161205011).

Almost surely, 2^134322410021 is an apocalyptic number.

It is an amenable number.

134322410021 is a deficient number, since it is larger than the sum of its proper divisors (1).

134322410021 is an equidigital number, since it uses as much as digits as its factorization.

134322410021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 134322410021 its reverse (120014223431), we get a palindrome (254336633452).

The spelling of 134322410021 in words is "one hundred thirty-four billion, three hundred twenty-two million, four hundred ten thousand, twenty-one".