513536340134 has 4 divisors (see below), whose sum is σ = 770304510204. Its totient is φ = 256768170066.

The previous prime is 513536340131. The next prime is 513536340173. The reversal of 513536340134 is 431043635315.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513536340131) by changing a digit.

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, 128384085032 + ... + 128384085035.

It is an arithmetic number, because the mean of its divisors is an integer number (192576127551).

Almost surely, 2^513536340134 is an apocalyptic number.

513536340134 is a deficient number, since it is larger than the sum of its proper divisors (256768170070).

513536340134 is a wasteful number, since it uses less digits than its factorization.

513536340134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256768170069.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 513536340134 its reverse (431043635315), we get a palindrome (944579975449).

The spelling of 513536340134 in words is "five hundred thirteen billion, five hundred thirty-six million, three hundred forty thousand, one hundred thirty-four".