135234287 has 2 divisors, whose sum is σ = 135234288. Its totient is φ = 135234286.

The previous prime is 135234251. The next prime is 135234293. The reversal of 135234287 is 782432531.

135234287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135234287 - 2¹² = 135230191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135234887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67617143 + 67617144.

It is an arithmetic number, because the mean of its divisors is an integer number (67617144).

Almost surely, 2^135234287 is an apocalyptic number.

135234287 is a deficient number, since it is larger than the sum of its proper divisors (1).

135234287 is an equidigital number, since it uses as much as digits as its factorization.

135234287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 135234287 is about 11629.0277753559. The cubic root of 135234287 is about 513.2893718561.

The spelling of 135234287 in words is "one hundred thirty-five million, two hundred thirty-four thousand, two hundred eighty-seven".