513340143 has 16 divisors (see below), whose sum is σ = 733453056. Its totient is φ = 318212480.

The previous prime is 513340133. The next prime is 513340147. The reversal of 513340143 is 341043315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 513340143 - 2¹⁷ = 513209071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513340147) 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 in 15 ways as a sum of consecutive naturals, for example, 56403 + ... + 64868.

It is an arithmetic number, because the mean of its divisors is an integer number (45840816).

Almost surely, 2^513340143 is an apocalyptic number.

513340143 is a deficient number, since it is larger than the sum of its proper divisors (220112913).

513340143 is a wasteful number, since it uses less digits than its factorization.

513340143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121374.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 513340143 is about 22657.0109017055. The cubic root of 513340143 is about 800.6973830403.

Adding to 513340143 its reverse (341043315), we get a palindrome (854383458).

The spelling of 513340143 in words is "five hundred thirteen million, three hundred forty thousand, one hundred forty-three".