136740577 has 2 divisors, whose sum is σ = 136740578. Its totient is φ = 136740576.

The previous prime is 136740557. The next prime is 136740631. The reversal of 136740577 is 775047631.

136740577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130782096 + 5958481 = 11436^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 136740577 - 2¹¹ = 136738529 is a prime.

It is not a weakly prime, because it can be changed into another prime (136740517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68370288 + 68370289.

It is an arithmetic number, because the mean of its divisors is an integer number (68370289).

Almost surely, 2^136740577 is an apocalyptic number.

It is an amenable number.

136740577 is a deficient number, since it is larger than the sum of its proper divisors (1).

136740577 is an equidigital number, since it uses as much as digits as its factorization.

136740577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 136740577 is about 11693.6126581993. The cubic root of 136740577 is about 515.1880759641.

The spelling of 136740577 in words is "one hundred thirty-six million, seven hundred forty thousand, five hundred seventy-seven".