134642117 has 2 divisors, whose sum is σ = 134642118. Its totient is φ = 134642116.

The previous prime is 134642089. The next prime is 134642119. The reversal of 134642117 is 711246431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131652676 + 2989441 = 11474^2 + 1729^2 .

It is a cyclic number.

It is not a de Polignac number, because 134642117 - 2⁸ = 134641861 is a prime.

Together with 134642119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134642117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134642119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67321058 + 67321059.

It is an arithmetic number, because the mean of its divisors is an integer number (67321059).

Almost surely, 2^134642117 is an apocalyptic number.

It is an amenable number.

134642117 is a deficient number, since it is larger than the sum of its proper divisors (1).

134642117 is an equidigital number, since it uses as much as digits as its factorization.

134642117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 134642117 is about 11603.5389860163. The cubic root of 134642117 is about 512.5390707473.

Adding to 134642117 its reverse (711246431), we get a palindrome (845888548).

The spelling of 134642117 in words is "one hundred thirty-four million, six hundred forty-two thousand, one hundred seventeen".