134545134444121 has 2 divisors, whose sum is σ = 134545134444122. Its totient is φ = 134545134444120.

The previous prime is 134545134444059. The next prime is 134545134444151. The reversal of 134545134444121 is 121444431545431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116819889305625 + 17725245138496 = 10808325^2 + 4210136^2 .

It is an emirp because it is prime and its reverse (121444431545431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134545134444121 - 2⁹ = 134545134443609 is a prime.

It is a super-2 number, since 2×134545134444121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134545134444151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67272567222060 + 67272567222061.

It is an arithmetic number, because the mean of its divisors is an integer number (67272567222061).

Almost surely, 2^{134545134444121} is an apocalyptic number.

It is an amenable number.

134545134444121 is a deficient number, since it is larger than the sum of its proper divisors (1).

134545134444121 is an equidigital number, since it uses as much as digits as its factorization.

134545134444121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1843200, while the sum is 46.

Adding to 134545134444121 its reverse (121444431545431), we get a palindrome (255989565989552).

The spelling of 134545134444121 in words is "one hundred thirty-four trillion, five hundred forty-five billion, one hundred thirty-four million, four hundred forty-four thousand, one hundred twenty-one".