135326869 has 2 divisors, whose sum is σ = 135326870. Its totient is φ = 135326868.

The previous prime is 135326857. The next prime is 135326887. The reversal of 135326869 is 968623531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108680625 + 26646244 = 10425^2 + 5162^2 .

It is a cyclic number.

It is not a de Polignac number, because 135326869 - 2⁵ = 135326837 is a prime.

It is a super-2 number, since 2×135326869² = 36626722946686322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135326809) 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, 67663434 + 67663435.

It is an arithmetic number, because the mean of its divisors is an integer number (67663435).

Almost surely, 2^135326869 is an apocalyptic number.

It is an amenable number.

135326869 is a deficient number, since it is larger than the sum of its proper divisors (1).

135326869 is an equidigital number, since it uses as much as digits as its factorization.

135326869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 135326869 is about 11633.0077366088. The cubic root of 135326869 is about 513.4064785390.

The spelling of 135326869 in words is "one hundred thirty-five million, three hundred twenty-six thousand, eight hundred sixty-nine".