136216061 has 2 divisors, whose sum is σ = 136216062. Its totient is φ = 136216060.

The previous prime is 136216039. The next prime is 136216079. The reversal of 136216061 is 160612631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108284836 + 27931225 = 10406^2 + 5285^2 .

It is a cyclic number.

It is not a de Polignac number, because 136216061 - 2²⁶ = 69107197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136216061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136216081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68108030 + 68108031.

It is an arithmetic number, because the mean of its divisors is an integer number (68108031).

Almost surely, 2^136216061 is an apocalyptic number.

It is an amenable number.

136216061 is a deficient number, since it is larger than the sum of its proper divisors (1).

136216061 is an equidigital number, since it uses as much as digits as its factorization.

136216061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 136216061 is about 11671.1636523528. The cubic root of 136216061 is about 514.5285042745.

Adding to 136216061 its reverse (160612631), we get a palindrome (296828692).

The spelling of 136216061 in words is "one hundred thirty-six million, two hundred sixteen thousand, sixty-one".