206136192 has 64 divisors (see below), whose sum is σ = 560946960. Its totient is φ = 67031040.

The previous prime is 206136191. The next prime is 206136197. The reversal of 206136192 is 291631602.

206136192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206136191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9198 + ... + 22290.

Almost surely, 2^206136192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206136192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280473480).

206136192 is an abundant number, since it is smaller than the sum of its proper divisors (354810768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206136192 is a wasteful number, since it uses less digits than its factorization.

206136192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13151 (or 13139 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 206136192 is about 14357.4437836267. The cubic root of 206136192 is about 590.7241820951.

Adding to 206136192 its reverse (291631602), we get a palindrome (497767794).

The spelling of 206136192 in words is "two hundred six million, one hundred thirty-six thousand, one hundred ninety-two".