134455243553 has 2 divisors, whose sum is σ = 134455243554. Its totient is φ = 134455243552.

The previous prime is 134455243543. The next prime is 134455243577. The reversal of 134455243553 is 355342554431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104030116369 + 30425127184 = 322537^2 + 174428^2 .

It is an emirp because it is prime and its reverse (355342554431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134455243553 - 2³⁴ = 117275374369 is a prime.

It is not a weakly prime, because it can be changed into another prime (134455243543) 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, 67227621776 + 67227621777.

It is an arithmetic number, because the mean of its divisors is an integer number (67227621777).

Almost surely, 2^134455243553 is an apocalyptic number.

It is an amenable number.

134455243553 is a deficient number, since it is larger than the sum of its proper divisors (1).

134455243553 is an equidigital number, since it uses as much as digits as its factorization.

134455243553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160000, while the sum is 44.

Adding to 134455243553 its reverse (355342554431), we get a palindrome (489797797984).

The spelling of 134455243553 in words is "one hundred thirty-four billion, four hundred fifty-five million, two hundred forty-three thousand, five hundred fifty-three".