205314455220134 has 64 divisors (see below), whose sum is σ = 352228092148800. Its totient is φ = 88918059294720.

The previous prime is 205314455220131. The next prime is 205314455220143. The reversal of 205314455220134 is 431022554413502.

It is a junction number, because it is equal to n+sod(n) for n = 205314455220091 and 205314455220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205314455220131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1117198814 + ... + 1117382574.

It is an arithmetic number, because the mean of its divisors is an integer number (5503563939825).

Almost surely, 2^{205314455220134} is an apocalyptic number.

205314455220134 is a deficient number, since it is larger than the sum of its proper divisors (146913636928666).

205314455220134 is a wasteful number, since it uses less digits than its factorization.

205314455220134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191385.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 205314455220134 in words is "two hundred five trillion, three hundred fourteen billion, four hundred fifty-five million, two hundred twenty thousand, one hundred thirty-four".