205130183405 has 16 divisors (see below), whose sum is σ = 288182893824. Its totient is φ = 137229947520.

The previous prime is 205130183393. The next prime is 205130183491. The reversal of 205130183405 is 504381031502.

It is not a de Polignac number, because 205130183405 - 2¹⁸ = 205129921261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71472497 + ... + 71475366.

It is an arithmetic number, because the mean of its divisors is an integer number (18011430864).

Almost surely, 2^205130183405 is an apocalyptic number.

It is an amenable number.

205130183405 is a deficient number, since it is larger than the sum of its proper divisors (83052710419).

205130183405 is a wasteful number, since it uses less digits than its factorization.

205130183405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142947916.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 205130183405 in words is "two hundred five billion, one hundred thirty million, one hundred eighty-three thousand, four hundred five".