134309054861 has 2 divisors, whose sum is σ = 134309054862. Its totient is φ = 134309054860.

The previous prime is 134309054839. The next prime is 134309054911. The reversal of 134309054861 is 168450903431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90823876900 + 43485177961 = 301370^2 + 208531^2 .

It is a cyclic number.

It is not a de Polignac number, because 134309054861 - 2⁶ = 134309054797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134309054821) 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, 67154527430 + 67154527431.

It is an arithmetic number, because the mean of its divisors is an integer number (67154527431).

Almost surely, 2^134309054861 is an apocalyptic number.

It is an amenable number.

134309054861 is a deficient number, since it is larger than the sum of its proper divisors (1).

134309054861 is an equidigital number, since it uses as much as digits as its factorization.

134309054861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 134309054861 in words is "one hundred thirty-four billion, three hundred nine million, fifty-four thousand, eight hundred sixty-one".