136072241 has 2 divisors, whose sum is σ = 136072242. Its totient is φ = 136072240.

The previous prime is 136072229. The next prime is 136072249. The reversal of 136072241 is 142270631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136072225 + 16 = 11665^2 + 4^2 .

It is an emirp because it is prime and its reverse (142270631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136072241 - 2¹⁸ = 135810097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136072241.

It is not a weakly prime, because it can be changed into another prime (136072249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68036120 + 68036121.

It is an arithmetic number, because the mean of its divisors is an integer number (68036121).

Almost surely, 2^136072241 is an apocalyptic number.

It is an amenable number.

136072241 is a deficient number, since it is larger than the sum of its proper divisors (1).

136072241 is an equidigital number, since it uses as much as digits as its factorization.

136072241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 136072241 is about 11665.0006858122. Note that the first 3 decimals coincide. The cubic root of 136072241 is about 514.3473568932.

The spelling of 136072241 in words is "one hundred thirty-six million, seventy-two thousand, two hundred forty-one".