513334135252 has 6 divisors (see below), whose sum is σ = 898334736698. Its totient is φ = 256667067624.

The previous prime is 513334135247. The next prime is 513334135261. The reversal of 513334135252 is 252531433315.

It can be written as a sum of positive squares in only one way, i.e., 484842045636 + 28492089616 = 696306^2 + 168796^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64166766903 + ... + 64166766910.

Almost surely, 2^513334135252 is an apocalyptic number.

It is an amenable number.

513334135252 is a deficient number, since it is larger than the sum of its proper divisors (385000601446).

513334135252 is a wasteful number, since it uses less digits than its factorization.

513334135252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128333533817 (or 128333533815 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

Adding to 513334135252 its reverse (252531433315), we get a palindrome (765865568567).

The spelling of 513334135252 in words is "five hundred thirteen billion, three hundred thirty-four million, one hundred thirty-five thousand, two hundred fifty-two".