205136214 has 16 divisors (see below), whose sum is σ = 421361328. Its totient is φ = 66530592.

The previous prime is 205136209. The next prime is 205136231. The reversal of 205136214 is 412631502.

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, 461797 + ... + 462240.

It is an arithmetic number, because the mean of its divisors is an integer number (26335083).

Almost surely, 2^205136214 is an apocalyptic number.

205136214 is an abundant number, since it is smaller than the sum of its proper divisors (216225114).

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

205136214 is a wasteful number, since it uses less digits than its factorization.

205136214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924079.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 205136214 is about 14322.5770725802. The cubic root of 205136214 is about 589.7674214961.

Adding to 205136214 its reverse (412631502), we get a palindrome (617767716).

The spelling of 205136214 in words is "two hundred five million, one hundred thirty-six thousand, two hundred fourteen".