136106211 has 4 divisors (see below), whose sum is σ = 181474952. Its totient is φ = 90737472.

The previous prime is 136106209. The next prime is 136106221. The reversal of 136106211 is 112601631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112601631 = 3 ⋅37533877.

It is not a de Polignac number, because 136106211 - 2¹ = 136106209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136106221) 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, 22684366 + ... + 22684371.

It is an arithmetic number, because the mean of its divisors is an integer number (45368738).

Almost surely, 2^136106211 is an apocalyptic number.

136106211 is a deficient number, since it is larger than the sum of its proper divisors (45368741).

136106211 is an equidigital number, since it uses as much as digits as its factorization.

136106211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45368740.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 136106211 is about 11666.4566600146. The cubic root of 136106211 is about 514.3901550564.

Adding to 136106211 its reverse (112601631), we get a palindrome (248707842).

The spelling of 136106211 in words is "one hundred thirty-six million, one hundred six thousand, two hundred eleven".