135660067 has 2 divisors, whose sum is σ = 135660068. Its totient is φ = 135660066.

The previous prime is 135659989. The next prime is 135660071. The reversal of 135660067 is 760066531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135660067 is a prime.

It is not a weakly prime, because it can be changed into another prime (135660367) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67830033 + 67830034.

It is an arithmetic number, because the mean of its divisors is an integer number (67830034).

Almost surely, 2^135660067 is an apocalyptic number.

135660067 is a deficient number, since it is larger than the sum of its proper divisors (1).

135660067 is an equidigital number, since it uses as much as digits as its factorization.

135660067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 135660067 is about 11647.3201638832. The cubic root of 135660067 is about 513.8274981706.

The spelling of 135660067 in words is "one hundred thirty-five million, six hundred sixty thousand, sixty-seven".