134667688417 has 2 divisors, whose sum is σ = 134667688418. Its totient is φ = 134667688416.

The previous prime is 134667688307. The next prime is 134667688429. The reversal of 134667688417 is 714886766431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134490159441 + 177528976 = 366729^2 + 13324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134667688417 is a prime.

It is not a weakly prime, because it can be changed into another prime (134667688457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67333844208 + 67333844209.

It is an arithmetic number, because the mean of its divisors is an integer number (67333844209).

Almost surely, 2^134667688417 is an apocalyptic number.

It is an amenable number.

134667688417 is a deficient number, since it is larger than the sum of its proper divisors (1).

134667688417 is an equidigital number, since it uses as much as digits as its factorization.

134667688417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 61.

The spelling of 134667688417 in words is "one hundred thirty-four billion, six hundred sixty-seven million, six hundred eighty-eight thousand, four hundred seventeen".