136030161 has 4 divisors (see below), whose sum is σ = 181373552. Its totient is φ = 90686772.

The previous prime is 136030159. The next prime is 136030187. The reversal of 136030161 is 161030631.

136030161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161030631 = 3 ⋅53676877.

It is not a de Polignac number, because 136030161 - 2¹ = 136030159 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136020161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22671691 + ... + 22671696.

It is an arithmetic number, because the mean of its divisors is an integer number (45343388).

Almost surely, 2^136030161 is an apocalyptic number.

It is an amenable number.

136030161 is a deficient number, since it is larger than the sum of its proper divisors (45343391).

136030161 is an equidigital number, since it uses as much as digits as its factorization.

136030161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45343390.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 136030161 is about 11663.1968602095. The cubic root of 136030161 is about 514.2943312159.

Adding to 136030161 its reverse (161030631), we get a palindrome (297060792).

The spelling of 136030161 in words is "one hundred thirty-six million, thirty thousand, one hundred sixty-one".