205044134 has 4 divisors (see below), whose sum is σ = 307566204. Its totient is φ = 102522066.

The previous prime is 205044097. The next prime is 205044139. The reversal of 205044134 is 431440502.

205044134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431440502 = 2 ⋅215720251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205044139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51261032 + ... + 51261035.

It is an arithmetic number, because the mean of its divisors is an integer number (76891551).

Almost surely, 2^205044134 is an apocalyptic number.

205044134 is a deficient number, since it is larger than the sum of its proper divisors (102522070).

205044134 is a wasteful number, since it uses less digits than its factorization.

205044134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102522069.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 205044134 is about 14319.3622064672. The cubic root of 205044134 is about 589.6791648355.

Adding to 205044134 its reverse (431440502), we get a palindrome (636484636).

The spelling of 205044134 in words is "two hundred five million, forty-four thousand, one hundred thirty-four".