205159452134 has 64 divisors (see below), whose sum is σ = 380142637056. Its totient is φ = 80865419904.

The previous prime is 205159452097. The next prime is 205159452161. The reversal of 205159452134 is 431254951502.

205159452134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205159452091 and 205159452100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73348424 + ... + 73351220.

It is an arithmetic number, because the mean of its divisors is an integer number (5939728704).

Almost surely, 2^205159452134 is an apocalyptic number.

205159452134 is a deficient number, since it is larger than the sum of its proper divisors (174983184922).

205159452134 is a wasteful number, since it uses less digits than its factorization.

205159452134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 205159452134 in words is "two hundred five billion, one hundred fifty-nine million, four hundred fifty-two thousand, one hundred thirty-four".