136474577 has 2 divisors, whose sum is σ = 136474578. Its totient is φ = 136474576.

The previous prime is 136474531. The next prime is 136474579. The reversal of 136474577 is 775474631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131997121 + 4477456 = 11489^2 + 2116^2 .

It is an emirp because it is prime and its reverse (775474631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136474577 - 2¹⁰ = 136473553 is a prime.

Together with 136474579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136474579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68237288 + 68237289.

It is an arithmetic number, because the mean of its divisors is an integer number (68237289).

Almost surely, 2^136474577 is an apocalyptic number.

It is an amenable number.

136474577 is a deficient number, since it is larger than the sum of its proper divisors (1).

136474577 is an equidigital number, since it uses as much as digits as its factorization.

136474577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 44.

The square root of 136474577 is about 11682.2333909232. The cubic root of 136474577 is about 514.8537958057.

The spelling of 136474577 in words is "one hundred thirty-six million, four hundred seventy-four thousand, five hundred seventy-seven".