505135231010136 has 96 divisors (see below), whose sum is σ = 1373429186850240. Its totient is φ = 167719412219904.

The previous prime is 505135231010071. The next prime is 505135231010149. The reversal of 505135231010136 is 631010132531505.

505135231010136 is a `hidden beast` number, since 5 + 0 + 5 + 13 + 523 + 10 + 101 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 505135231010136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 876931210 + ... + 877507046.

It is an arithmetic number, because the mean of its divisors is an integer number (14306554029690).

Almost surely, 2^{505135231010136} is an apocalyptic number.

It is an amenable number.

505135231010136 is an abundant number, since it is smaller than the sum of its proper divisors (868293955840104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505135231010136 is a wasteful number, since it uses less digits than its factorization.

505135231010136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623513 (or 623506 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The spelling of 505135231010136 in words is "five hundred five trillion, one hundred thirty-five billion, two hundred thirty-one million, ten thousand, one hundred thirty-six".