513242646142 has 16 divisors (see below), whose sum is σ = 771157638432. Its totient is φ = 256190458720.

The previous prime is 513242646139. The next prime is 513242646179. The reversal of 513242646142 is 241646242315.

It is a junction number, because it is equal to n+sod(n) for n = 513242646095 and 513242646104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2812308 + ... + 2989240.

It is an arithmetic number, because the mean of its divisors is an integer number (48197352402).

Almost surely, 2^513242646142 is an apocalyptic number.

513242646142 is a deficient number, since it is larger than the sum of its proper divisors (257914992290).

513242646142 is a wasteful number, since it uses less digits than its factorization.

513242646142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179363.

The product of its digits is 276480, while the sum is 40.

Adding to 513242646142 its reverse (241646242315), we get a palindrome (754888888457).

The spelling of 513242646142 in words is "five hundred thirteen billion, two hundred forty-two million, six hundred forty-six thousand, one hundred forty-two".