136243206 has 24 divisors (see below), whose sum is σ = 322029864. Its totient is φ = 41285760.

The previous prime is 136243183. The next prime is 136243229. The reversal of 136243206 is 602342631.

136243206 is a `hidden beast` number, since 1 + 3 + 624 + 32 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (136243183) and next prime (136243229).

It is a super-2 number, since 2×136243206² = 37124422362316872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136243206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343851 + ... + 344246.

It is an arithmetic number, because the mean of its divisors is an integer number (13417911).

Almost surely, 2^136243206 is an apocalyptic number.

136243206 is an abundant number, since it is smaller than the sum of its proper divisors (185786658).

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

136243206 is a wasteful number, since it uses less digits than its factorization.

136243206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688116 (or 688113 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 136243206 is about 11672.3265033154. The cubic root of 136243206 is about 514.5626802458.

Adding to 136243206 its reverse (602342631), we get a palindrome (738585837).

It can be divided in two parts, 136 and 243206, that added together give a palindrome (243342).

The spelling of 136243206 in words is "one hundred thirty-six million, two hundred forty-three thousand, two hundred six".