136916161 has 2 divisors, whose sum is σ = 136916162. Its totient is φ = 136916160.

The previous prime is 136916141. The next prime is 136916189. The reversal of 136916161 is 161619631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127577025 + 9339136 = 11295^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 136916161 - 2¹⁹ = 136391873 is a prime.

It is not a weakly prime, because it can be changed into another prime (136916141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68458080 + 68458081.

It is an arithmetic number, because the mean of its divisors is an integer number (68458081).

Almost surely, 2^136916161 is an apocalyptic number.

It is an amenable number.

136916161 is a deficient number, since it is larger than the sum of its proper divisors (1).

136916161 is an equidigital number, since it uses as much as digits as its factorization.

136916161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 34.

The square root of 136916161 is about 11701.1179380434. The cubic root of 136916161 is about 515.4084935713.

The spelling of 136916161 in words is "one hundred thirty-six million, nine hundred sixteen thousand, one hundred sixty-one".