205394132 has 6 divisors (see below), whose sum is σ = 359439738. Its totient is φ = 102697064.

The previous prime is 205394131. The next prime is 205394159. The reversal of 205394132 is 231493502.

205394132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 205176976 + 217156 = 14324^2 + 466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205394095 and 205394104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205394131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25674263 + ... + 25674270.

It is an arithmetic number, because the mean of its divisors is an integer number (59906623).

Almost surely, 2^205394132 is an apocalyptic number.

It is an amenable number.

205394132 is a deficient number, since it is larger than the sum of its proper divisors (154045606).

205394132 is a wasteful number, since it uses less digits than its factorization.

205394132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51348537 (or 51348535 counting only the distinct ones).

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

The square root of 205394132 is about 14331.5781405957. The cubic root of 205394132 is about 590.0144897332.

The spelling of 205394132 in words is "two hundred five million, three hundred ninety-four thousand, one hundred thirty-two".