135959773 has 2 divisors, whose sum is σ = 135959774. Its totient is φ = 135959772.

The previous prime is 135959771. The next prime is 135959849. The reversal of 135959773 is 377959531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96294969 + 39664804 = 9813^2 + 6298^2 .

It is a cyclic number.

It is not a de Polignac number, because 135959773 - 2¹ = 135959771 is a prime.

Together with 135959771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135959771) 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, 67979886 + 67979887.

It is an arithmetic number, because the mean of its divisors is an integer number (67979887).

Almost surely, 2^135959773 is an apocalyptic number.

It is an amenable number.

135959773 is a deficient number, since it is larger than the sum of its proper divisors (1).

135959773 is an equidigital number, since it uses as much as digits as its factorization.

135959773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 893025, while the sum is 49.

The square root of 135959773 is about 11660.1789437384. The cubic root of 135959773 is about 514.2056097275.

The spelling of 135959773 in words is "one hundred thirty-five million, nine hundred fifty-nine thousand, seven hundred seventy-three".