136286211 has 4 divisors (see below), whose sum is σ = 181714952. Its totient is φ = 90857472.

The previous prime is 136286209. The next prime is 136286231. The reversal of 136286211 is 112682631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112682631 = 3 ⋅37560877.

It is not a de Polignac number, because 136286211 - 2¹ = 136286209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136286231) 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, 22714366 + ... + 22714371.

It is an arithmetic number, because the mean of its divisors is an integer number (45428738).

Almost surely, 2^136286211 is an apocalyptic number.

136286211 is a deficient number, since it is larger than the sum of its proper divisors (45428741).

136286211 is an equidigital number, since it uses as much as digits as its factorization.

136286211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45428740.

The product of its digits is 3456, while the sum is 30.

The square root of 136286211 is about 11674.1685357031. The cubic root of 136286211 is about 514.6168149089.

The spelling of 136286211 in words is "one hundred thirty-six million, two hundred eighty-six thousand, two hundred eleven".