513142042 has 24 divisors (see below), whose sum is σ = 934468704. Its totient is φ = 206980032.

The previous prime is 513142033. The next prime is 513142067. The reversal of 513142042 is 240241315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59368 + ... + 67459.

It is an arithmetic number, because the mean of its divisors is an integer number (38936196).

Almost surely, 2^513142042 is an apocalyptic number.

513142042 is a deficient number, since it is larger than the sum of its proper divisors (421326662).

513142042 is a wasteful number, since it uses less digits than its factorization.

513142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126870 (or 126853 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 513142042 is about 22652.6387425395. The cubic root of 513142042 is about 800.5943718350.

Adding to 513142042 its reverse (240241315), we get a palindrome (753383357).

The spelling of 513142042 in words is "five hundred thirteen million, one hundred forty-two thousand, forty-two".