205350129 has 12 divisors (see below), whose sum is σ = 296837632. Its totient is φ = 136798200.

The previous prime is 205350127. The next prime is 205350133. The reversal of 205350129 is 921053502.

205350129 is a `hidden beast` number, since 2 + 0 + 535 + 0 + 129 = 666.

It is not a de Polignac number, because 205350129 - 2¹ = 205350127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205350127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5484 + ... + 20994.

Almost surely, 2^205350129 is an apocalyptic number.

It is an amenable number.

205350129 is a deficient number, since it is larger than the sum of its proper divisors (91487503).

205350129 is a wasteful number, since it uses less digits than its factorization.

205350129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16988 (or 16985 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 205350129 is about 14330.0428820014. The cubic root of 205350129 is about 589.9723524342.

The spelling of 205350129 in words is "two hundred five million, three hundred fifty thousand, one hundred twenty-nine".