520145000134434 has 24 divisors (see below), whose sum is σ = 1128163394872332. Its totient is φ = 173199734211840.

The previous prime is 520145000134421. The next prime is 520145000134457. The reversal of 520145000134434 is 434431000541025.

520145000134434 is a `hidden beast` number, since 5 + 2 + 0 + 14 + 500 + 0 + 134 + 4 + 3 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 510856506558225 + 9288493576209 = 22602135^2 + 3047703^2 .

It is a super-3 number, since 3×520145000134434³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15161024007 + ... + 15161058314.

Almost surely, 2^{520145000134434} is an apocalyptic number.

520145000134434 is an abundant number, since it is smaller than the sum of its proper divisors (608018394737898).

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

520145000134434 is a wasteful number, since it uses less digits than its factorization.

520145000134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30322083282 (or 30322083279 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 520145000134434 its reverse (434431000541025), we get a palindrome (954576000675459).

The spelling of 520145000134434 in words is "five hundred twenty trillion, one hundred forty-five billion, one hundred thirty-four thousand, four hundred thirty-four".