134143410221 has 2 divisors, whose sum is σ = 134143410222. Its totient is φ = 134143410220.

The previous prime is 134143410197. The next prime is 134143410227. The reversal of 134143410221 is 122014341431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132995149225 + 1148260996 = 364685^2 + 33886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134143410221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134143410227) 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 as a sum of consecutive naturals, namely, 67071705110 + 67071705111.

It is an arithmetic number, because the mean of its divisors is an integer number (67071705111).

Almost surely, 2^134143410221 is an apocalyptic number.

It is an amenable number.

134143410221 is a deficient number, since it is larger than the sum of its proper divisors (1).

134143410221 is an equidigital number, since it uses as much as digits as its factorization.

134143410221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 134143410221 its reverse (122014341431), we get a palindrome (256157751652).

The spelling of 134143410221 in words is "one hundred thirty-four billion, one hundred forty-three million, four hundred ten thousand, two hundred twenty-one".