134442444124657 has 2 divisors, whose sum is σ = 134442444124658. Its totient is φ = 134442444124656.

The previous prime is 134442444124591. The next prime is 134442444124783. The reversal of 134442444124657 is 756421444244431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105696987057216 + 28745457067441 = 10280904^2 + 5361479^2 .

It is a cyclic number.

It is not a de Polignac number, because 134442444124657 - 2⁷ = 134442444124529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134442444124598 and 134442444124607.

It is not a weakly prime, because it can be changed into another prime (134442444124357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67221222062328 + 67221222062329.

It is an arithmetic number, because the mean of its divisors is an integer number (67221222062329).

Almost surely, 2^{134442444124657} is an apocalyptic number.

It is an amenable number.

134442444124657 is a deficient number, since it is larger than the sum of its proper divisors (1).

134442444124657 is an equidigital number, since it uses as much as digits as its factorization.

134442444124657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41287680, while the sum is 55.

The spelling of 134442444124657 in words is "one hundred thirty-four trillion, four hundred forty-two billion, four hundred forty-four million, one hundred twenty-four thousand, six hundred fifty-seven".