135822443 has 2 divisors, whose sum is σ = 135822444. Its totient is φ = 135822442.

The previous prime is 135822437. The next prime is 135822451. The reversal of 135822443 is 344228531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135822443 - 2¹⁴ = 135806059 is a prime.

It is not a weakly prime, because it can be changed into another prime (135822403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67911221 + 67911222.

It is an arithmetic number, because the mean of its divisors is an integer number (67911222).

Almost surely, 2^135822443 is an apocalyptic number.

135822443 is a deficient number, since it is larger than the sum of its proper divisors (1).

135822443 is an equidigital number, since it uses as much as digits as its factorization.

135822443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 32.

The square root of 135822443 is about 11654.2886097779. The cubic root of 135822443 is about 514.0324221147.

The spelling of 135822443 in words is "one hundred thirty-five million, eight hundred twenty-two thousand, four hundred forty-three".