505134236 has 12 divisors (see below), whose sum is σ = 884319912. Its totient is φ = 252471408.

The previous prime is 505134233. The next prime is 505134307. The reversal of 505134236 is 632431505.

It is a junction number, because it is equal to n+sod(n) for n = 505134199 and 505134208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505134233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11315 + ... + 33738.

It is an arithmetic number, because the mean of its divisors is an integer number (73693326).

Almost surely, 2^505134236 is an apocalyptic number.

It is an amenable number.

505134236 is a deficient number, since it is larger than the sum of its proper divisors (379185676).

505134236 is a wasteful number, since it uses less digits than its factorization.

505134236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47860 (or 47858 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 505134236 is about 22475.1915675929. The cubic root of 505134236 is about 796.4079771032.

The spelling of 505134236 in words is "five hundred five million, one hundred thirty-four thousand, two hundred thirty-six".