136445211 has 24 divisors (see below), whose sum is σ = 225729504. Its totient is φ = 77800320.

The previous prime is 136445209. The next prime is 136445237. The reversal of 136445211 is 112544631.

It is a happy number.

136445211 is a `hidden beast` number, since 1 + 3 + 6 + 445 + 211 = 666.

136445211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136445211 - 2¹ = 136445209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136445201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30745 + ... + 34901.

It is an arithmetic number, because the mean of its divisors is an integer number (9405396).

Almost surely, 2^136445211 is an apocalyptic number.

136445211 is a deficient number, since it is larger than the sum of its proper divisors (89284293).

136445211 is a wasteful number, since it uses less digits than its factorization.

136445211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4688 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 136445211 is about 11680.9764574714. The cubic root of 136445211 is about 514.8168651640.

Adding to 136445211 its reverse (112544631), we get a palindrome (248989842).

The spelling of 136445211 in words is "one hundred thirty-six million, four hundred forty-five thousand, two hundred eleven".