135835549 has 2 divisors, whose sum is σ = 135835550. Its totient is φ = 135835548.

The previous prime is 135835543. The next prime is 135835589. The reversal of 135835549 is 945538531.

135835549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124478649 + 11356900 = 11157^2 + 3370^2 .

It is a cyclic number.

It is not a de Polignac number, because 135835549 - 2⁷ = 135835421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135835543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67917774 + 67917775.

It is an arithmetic number, because the mean of its divisors is an integer number (67917775).

Almost surely, 2^135835549 is an apocalyptic number.

It is an amenable number.

135835549 is a deficient number, since it is larger than the sum of its proper divisors (1).

135835549 is an equidigital number, since it uses as much as digits as its factorization.

135835549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 43.

The square root of 135835549 is about 11654.8508784969. The cubic root of 135835549 is about 514.0489552003.

The spelling of 135835549 in words is "one hundred thirty-five million, eight hundred thirty-five thousand, five hundred forty-nine".