505305135 has 48 divisors (see below), whose sum is σ = 939687840. Its totient is φ = 260184960.

The previous prime is 505305091. The next prime is 505305139. The reversal of 505305135 is 531503505.

505305135 is a `hidden beast` number, since 50 + 530 + 51 + 35 = 666.

It is not a de Polignac number, because 505305135 - 2⁶ = 505305071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 505305099 and 505305108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505305139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28065 + ... + 42405.

It is an arithmetic number, because the mean of its divisors is an integer number (19576830).

Almost surely, 2^505305135 is an apocalyptic number.

505305135 is a deficient number, since it is larger than the sum of its proper divisors (434382705).

505305135 is a wasteful number, since it uses less digits than its factorization.

505305135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14390 (or 14378 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 505305135 is about 22478.9931936464. The cubic root of 505305135 is about 796.4977816019.

The spelling of 505305135 in words is "five hundred five million, three hundred five thousand, one hundred thirty-five".