135812267 has 2 divisors, whose sum is σ = 135812268. Its totient is φ = 135812266.

The previous prime is 135812231. The next prime is 135812273. The reversal of 135812267 is 762218531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135812267 - 2⁶ = 135812203 is a prime.

It is not a weakly prime, because it can be changed into another prime (135812207) 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, 67906133 + 67906134.

It is an arithmetic number, because the mean of its divisors is an integer number (67906134).

Almost surely, 2^135812267 is an apocalyptic number.

135812267 is a deficient number, since it is larger than the sum of its proper divisors (1).

135812267 is an equidigital number, since it uses as much as digits as its factorization.

135812267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 135812267 is about 11653.8520241163. The cubic root of 135812267 is about 514.0195844607.

The spelling of 135812267 in words is "one hundred thirty-five million, eight hundred twelve thousand, two hundred sixty-seven".