520450232134 has 8 divisors (see below), whose sum is σ = 892200397968. Its totient is φ = 223050099480.

The previous prime is 520450232131. The next prime is 520450232191. The reversal of 520450232134 is 431232054025.

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

It is a junction number, because it is equal to n+sod(n) for n = 520450232096 and 520450232105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520450232131) 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, 18587508277 + ... + 18587508304.

It is an arithmetic number, because the mean of its divisors is an integer number (111525049746).

Almost surely, 2^520450232134 is an apocalyptic number.

520450232134 is a deficient number, since it is larger than the sum of its proper divisors (371750165834).

520450232134 is a wasteful number, since it uses less digits than its factorization.

520450232134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37175016590.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 520450232134 its reverse (431232054025), we get a palindrome (951682286159).

The spelling of 520450232134 in words is "five hundred twenty billion, four hundred fifty million, two hundred thirty-two thousand, one hundred thirty-four".