205010136 has 32 divisors (see below), whose sum is σ = 569473200. Its totient is φ = 68336640.

The previous prime is 205010101. The next prime is 205010147. The reversal of 205010136 is 631010502.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474345 + ... + 474776.

Almost surely, 2^205010136 is an apocalyptic number.

It is an amenable number.

205010136 is an abundant number, since it is smaller than the sum of its proper divisors (364463064).

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

205010136 is a wasteful number, since it uses less digits than its factorization.

205010136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949136 (or 949126 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 205010136 is about 14318.1750233750. The cubic root of 205010136 is about 589.6465718192.

Adding to 205010136 its reverse (631010502), we get a palindrome (836020638).

The spelling of 205010136 in words is "two hundred five million, ten thousand, one hundred thirty-six".