505240502134 has 16 divisors (see below), whose sum is σ = 782381859840. Its totient is φ = 244448090280.

The previous prime is 505240501999. The next prime is 505240502183. The reversal of 505240502134 is 431205042505.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 505240502096 and 505240502105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284847 + ... + 1044805.

It is an arithmetic number, because the mean of its divisors is an integer number (48898866240).

Almost surely, 2^505240502134 is an apocalyptic number.

505240502134 is a deficient number, since it is larger than the sum of its proper divisors (277141357706).

505240502134 is a wasteful number, since it uses less digits than its factorization.

505240502134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770715.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 505240502134 its reverse (431205042505), we get a palindrome (936445544639).

The spelling of 505240502134 in words is "five hundred five billion, two hundred forty million, five hundred two thousand, one hundred thirty-four".