136242061 has 2 divisors, whose sum is σ = 136242062. Its totient is φ = 136242060.

The previous prime is 136242053. The next prime is 136242089. The reversal of 136242061 is 160242631.

136242061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77105961 + 59136100 = 8781^2 + 7690^2 .

It is a cyclic number.

It is not a de Polignac number, because 136242061 - 2³ = 136242053 is a prime.

It is a super-3 number, since 3×136242061³ (a number of 25 digits) contains 333 as substring.

It is equal to p_7711621 and since 136242061 and 7711621 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136242661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68121030 + 68121031.

It is an arithmetic number, because the mean of its divisors is an integer number (68121031).

Almost surely, 2^136242061 is an apocalyptic number.

It is an amenable number.

136242061 is a deficient number, since it is larger than the sum of its proper divisors (1).

136242061 is an equidigital number, since it uses as much as digits as its factorization.

136242061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 136242061 is about 11672.2774555782. The cubic root of 136242061 is about 514.5612387650.

Adding to 136242061 its reverse (160242631), we get a palindrome (296484692).

The spelling of 136242061 in words is "one hundred thirty-six million, two hundred forty-two thousand, sixty-one".