136122771137 has 2 divisors, whose sum is σ = 136122771138. Its totient is φ = 136122771136.

The previous prime is 136122771133. The next prime is 136122771157. The reversal of 136122771137 is 731177221631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100745299216 + 35377471921 = 317404^2 + 188089^2 .

It is a cyclic number.

It is not a de Polignac number, because 136122771137 - 2² = 136122771133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136122771094 and 136122771103.

It is not a weakly prime, because it can be changed into another prime (136122771133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68061385568 + 68061385569.

It is an arithmetic number, because the mean of its divisors is an integer number (68061385569).

Almost surely, 2^136122771137 is an apocalyptic number.

It is an amenable number.

136122771137 is a deficient number, since it is larger than the sum of its proper divisors (1).

136122771137 is an equidigital number, since it uses as much as digits as its factorization.

136122771137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 41.

Adding to 136122771137 its reverse (731177221631), we get a palindrome (867299992768).

The spelling of 136122771137 in words is "one hundred thirty-six billion, one hundred twenty-two million, seven hundred seventy-one thousand, one hundred thirty-seven".