513500142 has 16 divisors (see below), whose sum is σ = 1027251792. Its totient is φ = 171124800.

The previous prime is 513500131. The next prime is 513500153. The reversal of 513500142 is 241005315.

It is an interprime number because it is at equal distance from previous prime (513500131) and next prime (513500153).

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 in 7 ways as a sum of consecutive naturals, for example, 25642 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (64203237).

Almost surely, 2^513500142 is an apocalyptic number.

513500142 is an abundant number, since it is smaller than the sum of its proper divisors (513751650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513500142 is a wasteful number, since it uses less digits than its factorization.

513500142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20963.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 513500142 is about 22660.5415204492. The cubic root of 513500142 is about 800.7805621141.

Adding to 513500142 its reverse (241005315), we get a palindrome (754505457).

The spelling of 513500142 in words is "five hundred thirteen million, five hundred thousand, one hundred forty-two".