505134130 has 8 divisors (see below), whose sum is σ = 909241452. Its totient is φ = 202053648.

The previous prime is 505134127. The next prime is 505134139. The reversal of 505134130 is 31431505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 406707889 + 98426241 = 20167^2 + 9921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (505134139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25256697 + ... + 25256716.

Almost surely, 2^505134130 is an apocalyptic number.

505134130 is a deficient number, since it is larger than the sum of its proper divisors (404107322).

505134130 is a wasteful number, since it uses less digits than its factorization.

505134130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50513420.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 505134130 is about 22475.1892094371. The cubic root of 505134130 is about 796.4079213957.

Adding to 505134130 its reverse (31431505), we get a palindrome (536565635).

The spelling of 505134130 in words is "five hundred five million, one hundred thirty-four thousand, one hundred thirty".