134274289 has 2 divisors, whose sum is σ = 134274290. Its totient is φ = 134274288.

The previous prime is 134274241. The next prime is 134274293. The reversal of 134274289 is 982472431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128595600 + 5678689 = 11340^2 + 2383^2 .

It is an emirp because it is prime and its reverse (982472431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134274289 - 2¹⁵ = 134241521 is a prime.

It is not a weakly prime, because it can be changed into another prime (134274589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67137144 + 67137145.

It is an arithmetic number, because the mean of its divisors is an integer number (67137145).

Almost surely, 2^134274289 is an apocalyptic number.

It is an amenable number.

134274289 is a deficient number, since it is larger than the sum of its proper divisors (1).

134274289 is an equidigital number, since it uses as much as digits as its factorization.

134274289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 134274289 is about 11587.6783265674. The cubic root of 134274289 is about 512.0719109302.

The spelling of 134274289 in words is "one hundred thirty-four million, two hundred seventy-four thousand, two hundred eighty-nine".