135722622677 has 2 divisors, whose sum is σ = 135722622678. Its totient is φ = 135722622676.

The previous prime is 135722622587. The next prime is 135722622683. The reversal of 135722622677 is 776226227531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89975401681 + 45747220996 = 299959^2 + 213886^2 .

It is a cyclic number.

It is not a de Polignac number, because 135722622677 - 2³⁴ = 118542753493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135722622697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67861311338 + 67861311339.

It is an arithmetic number, because the mean of its divisors is an integer number (67861311339).

Almost surely, 2^135722622677 is an apocalyptic number.

It is an amenable number.

135722622677 is a deficient number, since it is larger than the sum of its proper divisors (1).

135722622677 is an equidigital number, since it uses as much as digits as its factorization.

135722622677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 50.

The spelling of 135722622677 in words is "one hundred thirty-five billion, seven hundred twenty-two million, six hundred twenty-two thousand, six hundred seventy-seven".