136646604211 has 4 divisors (see below), whose sum is σ = 147157881472. Its totient is φ = 126135326952.

The previous prime is 136646604181. The next prime is 136646604257. The reversal of 136646604211 is 112406646631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136646604211 - 2¹³ = 136646596019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136646605211) 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, 5255638611 + ... + 5255638636.

It is an arithmetic number, because the mean of its divisors is an integer number (36789470368).

Almost surely, 2^136646604211 is an apocalyptic number.

136646604211 is a deficient number, since it is larger than the sum of its proper divisors (10511277261).

136646604211 is a wasteful number, since it uses less digits than its factorization.

136646604211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511277260.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 136646604211 in words is "one hundred thirty-six billion, six hundred forty-six million, six hundred four thousand, two hundred eleven".