136201 has 4 divisors (see below), whose sum is σ = 146692. Its totient is φ = 125712.

The previous prime is 136193. The next prime is 136207. The reversal of 136201 is 102631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102631 = 29 ⋅3539.

It can be written as a sum of positive squares in 2 ways, for example, as 60025 + 76176 = 245^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 136201 - 2³ = 136193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 10477 = 136201 / (1 + 3 + 6 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (136207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5226 + ... + 5251.

It is an arithmetic number, because the mean of its divisors is an integer number (36673).

2¹³⁶²⁰¹ is an apocalyptic number.

It is an amenable number.

136201 is a deficient number, since it is larger than the sum of its proper divisors (10491).

136201 is a wasteful number, since it uses less digits than its factorization.

136201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 136201 is about 369.0541965620. The cubic root of 136201 is about 51.4509540286.

Adding to 136201 its reverse (102631), we get a palindrome (238832).

The spelling of 136201 in words is "one hundred thirty-six thousand, two hundred one".