205554552134 has 4 divisors (see below), whose sum is σ = 308331828204. Its totient is φ = 102777276066.

The previous prime is 205554552121. The next prime is 205554552139. The reversal of 205554552134 is 431255455502.

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

It is a junction number, because it is equal to n+sod(n) for n = 205554552091 and 205554552100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205554552139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51388638032 + ... + 51388638035.

It is an arithmetic number, because the mean of its divisors is an integer number (77082957051).

Almost surely, 2^205554552134 is an apocalyptic number.

205554552134 is a deficient number, since it is larger than the sum of its proper divisors (102777276070).

205554552134 is a wasteful number, since it uses less digits than its factorization.

205554552134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102777276069.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 205554552134 in words is "two hundred five billion, five hundred fifty-four million, five hundred fifty-two thousand, one hundred thirty-four".