134268287 has 2 divisors, whose sum is σ = 134268288. Its totient is φ = 134268286.

The previous prime is 134268257. The next prime is 134268311. The reversal of 134268287 is 782862431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134268287 - 2¹² = 134264191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134268257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67134143 + 67134144.

It is an arithmetic number, because the mean of its divisors is an integer number (67134144).

Almost surely, 2^134268287 is an apocalyptic number.

134268287 is a deficient number, since it is larger than the sum of its proper divisors (1).

134268287 is an equidigital number, since it uses as much as digits as its factorization.

134268287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 134268287 is about 11587.4193416826. The cubic root of 134268287 is about 512.0642810223.

The spelling of 134268287 in words is "one hundred thirty-four million, two hundred sixty-eight thousand, two hundred eighty-seven".