136185241 has 2 divisors, whose sum is σ = 136185242. Its totient is φ = 136185240.

The previous prime is 136185211. The next prime is 136185251. The reversal of 136185241 is 142581631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 19545241 = 10800^2 + 4421^2 .

It is a cyclic number.

It is not a de Polignac number, because 136185241 - 2⁵ = 136185209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136185211) 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, 68092620 + 68092621.

It is an arithmetic number, because the mean of its divisors is an integer number (68092621).

Almost surely, 2^136185241 is an apocalyptic number.

It is an amenable number.

136185241 is a deficient number, since it is larger than the sum of its proper divisors (1).

136185241 is an equidigital number, since it uses as much as digits as its factorization.

136185241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 136185241 is about 11669.8432294526. The cubic root of 136185241 is about 514.4896959174.

The spelling of 136185241 in words is "one hundred thirty-six million, one hundred eighty-five thousand, two hundred forty-one".