204068781134 has 4 divisors (see below), whose sum is σ = 306103171704. Its totient is φ = 102034390566.

The previous prime is 204068781127. The next prime is 204068781151. The reversal of 204068781134 is 431187860402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51017195282 + ... + 51017195285.

It is an arithmetic number, because the mean of its divisors is an integer number (76525792926).

Almost surely, 2^204068781134 is an apocalyptic number.

204068781134 is a deficient number, since it is larger than the sum of its proper divisors (102034390570).

204068781134 is a wasteful number, since it uses less digits than its factorization.

204068781134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102034390569.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 204068781134 in words is "two hundred four billion, sixty-eight million, seven hundred eighty-one thousand, one hundred thirty-four".