136506049 has 2 divisors, whose sum is σ = 136506050. Its totient is φ = 136506048.

The previous prime is 136506047. The next prime is 136506053. The reversal of 136506049 is 940605631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73017025 + 63489024 = 8545^2 + 7968^2 .

It is a cyclic number.

It is not a de Polignac number, because 136506049 - 2¹ = 136506047 is a prime.

Together with 136506047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (136506043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68253024 + 68253025.

It is an arithmetic number, because the mean of its divisors is an integer number (68253025).

Almost surely, 2^136506049 is an apocalyptic number.

It is an amenable number.

136506049 is a deficient number, since it is larger than the sum of its proper divisors (1).

136506049 is an equidigital number, since it uses as much as digits as its factorization.

136506049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 136506049 is about 11683.5803159819. The cubic root of 136506049 is about 514.8933690694.

The spelling of 136506049 in words is "one hundred thirty-six million, five hundred six thousand, forty-nine".