135773240677 has 2 divisors, whose sum is σ = 135773240678. Its totient is φ = 135773240676.

The previous prime is 135773240651. The next prime is 135773240749. The reversal of 135773240677 is 776042377531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111341675041 + 24431565636 = 333679^2 + 156306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135773240677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135773240377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67886620338 + 67886620339.

It is an arithmetic number, because the mean of its divisors is an integer number (67886620339).

Almost surely, 2^135773240677 is an apocalyptic number.

It is an amenable number.

135773240677 is a deficient number, since it is larger than the sum of its proper divisors (1).

135773240677 is an equidigital number, since it uses as much as digits as its factorization.

135773240677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5186160, while the sum is 52.

The spelling of 135773240677 in words is "one hundred thirty-five billion, seven hundred seventy-three million, two hundred forty thousand, six hundred seventy-seven".