505042136 has 16 divisors (see below), whose sum is σ = 947192400. Its totient is φ = 252457504.

The previous prime is 505042129. The next prime is 505042147. The reversal of 505042136 is 631240505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58805 + ... + 66843.

It is an arithmetic number, because the mean of its divisors is an integer number (59199525).

Almost surely, 2^505042136 is an apocalyptic number.

It is an amenable number.

505042136 is a deficient number, since it is larger than the sum of its proper divisors (442150264).

505042136 is a wasteful number, since it uses less digits than its factorization.

505042136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15898 (or 15894 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 505042136 is about 22473.1425483843. The cubic root of 505042136 is about 796.3595717304.

The spelling of 505042136 in words is "five hundred five million, forty-two thousand, one hundred thirty-six".