135773240749 has 2 divisors, whose sum is σ = 135773240750. Its totient is φ = 135773240748.

The previous prime is 135773240677. The next prime is 135773240767. The reversal of 135773240749 is 947042377531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69844975524 + 65928265225 = 264282^2 + 256765^2 .

It is a cyclic number.

It is not a de Polignac number, because 135773240749 - 2⁹ = 135773240237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135773240696 and 135773240705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135773240789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67886620374 + 67886620375.

It is an arithmetic number, because the mean of its divisors is an integer number (67886620375).

Almost surely, 2^135773240749 is an apocalyptic number.

It is an amenable number.

135773240749 is a deficient number, since it is larger than the sum of its proper divisors (1).

135773240749 is an equidigital number, since it uses as much as digits as its factorization.

135773240749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 135773240749 in words is "one hundred thirty-five billion, seven hundred seventy-three million, two hundred forty thousand, seven hundred forty-nine".