134320301221 has 2 divisors, whose sum is σ = 134320301222. Its totient is φ = 134320301220.

The previous prime is 134320301191. The next prime is 134320301249. The reversal of 134320301221 is 122103023431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132546964900 + 1773336321 = 364070^2 + 42111^2 .

It is an emirp because it is prime and its reverse (122103023431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134320301221 - 2⁵ = 134320301189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134320301192 and 134320301201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134320301321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67160150610 + 67160150611.

It is an arithmetic number, because the mean of its divisors is an integer number (67160150611).

Almost surely, 2^134320301221 is an apocalyptic number.

It is an amenable number.

134320301221 is a deficient number, since it is larger than the sum of its proper divisors (1).

134320301221 is an equidigital number, since it uses as much as digits as its factorization.

134320301221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 134320301221 its reverse (122103023431), we get a palindrome (256423324652).

The spelling of 134320301221 in words is "one hundred thirty-four billion, three hundred twenty million, three hundred one thousand, two hundred twenty-one".