134468857 has 2 divisors, whose sum is σ = 134468858. Its totient is φ = 134468856.

The previous prime is 134468849. The next prime is 134468863. The reversal of 134468857 is 758864431.

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., 82973881 + 51494976 = 9109^2 + 7176^2 .

It is a cyclic number.

It is not a de Polignac number, because 134468857 - 2³ = 134468849 is a prime.

It is not a weakly prime, because it can be changed into another prime (134468837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67234428 + 67234429.

It is an arithmetic number, because the mean of its divisors is an integer number (67234429).

Almost surely, 2^134468857 is an apocalyptic number.

It is an amenable number.

134468857 is a deficient number, since it is larger than the sum of its proper divisors (1).

134468857 is an equidigital number, since it uses as much as digits as its factorization.

134468857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The square root of 134468857 is about 11596.0707569418. The cubic root of 134468857 is about 512.3191280836.

The spelling of 134468857 in words is "one hundred thirty-four million, four hundred sixty-eight thousand, eight hundred fifty-seven".