135234893 has 2 divisors, whose sum is σ = 135234894. Its totient is φ = 135234892.

The previous prime is 135234887. The next prime is 135234937. The reversal of 135234893 is 398432531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134629609 + 605284 = 11603^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 135234893 - 2⁶ = 135234829 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 (135234193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67617446 + 67617447.

It is an arithmetic number, because the mean of its divisors is an integer number (67617447).

Almost surely, 2^135234893 is an apocalyptic number.

It is an amenable number.

135234893 is a deficient number, since it is larger than the sum of its proper divisors (1).

135234893 is an equidigital number, since it uses as much as digits as its factorization.

135234893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 135234893 is about 11629.0538308153. The cubic root of 135234893 is about 513.2901385573.

The spelling of 135234893 in words is "one hundred thirty-five million, two hundred thirty-four thousand, eight hundred ninety-three".