205066136 has 32 divisors (see below), whose sum is σ = 430796880. Its totient is φ = 90691200.

The previous prime is 205066111. The next prime is 205066139. The reversal of 205066136 is 631660502.

It is a junction number, because it is equal to n+sod(n) for n = 205066099 and 205066108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205066139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28235 + ... + 34746.

Almost surely, 2^205066136 is an apocalyptic number.

It is an amenable number.

205066136 is an abundant number, since it is smaller than the sum of its proper divisors (225730744).

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

205066136 is a wasteful number, since it uses less digits than its factorization.

205066136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63035 (or 63031 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 205066136 is about 14320.1304463332. The cubic root of 205066136 is about 589.7002556721.

It can be divided in two parts, 2050 and 66136, that added together give a palindrome (68186).

The spelling of 205066136 in words is "two hundred five million, sixty-six thousand, one hundred thirty-six".