513429128 has 16 divisors (see below), whose sum is σ = 983162880. Its totient is φ = 251252368.

The previous prime is 513429127. The next prime is 513429139. The reversal of 513429128 is 821924315.

It is not an unprimeable number, because it can be changed into a prime (513429127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682376 + ... + 683127.

It is an arithmetic number, because the mean of its divisors is an integer number (61447680).

Almost surely, 2^513429128 is an apocalyptic number.

It is an amenable number.

513429128 is a deficient number, since it is larger than the sum of its proper divisors (469733752).

513429128 is a wasteful number, since it uses less digits than its factorization.

513429128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365556 (or 1365552 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 513429128 is about 22658.9745575567. The cubic root of 513429128 is about 800.7436460240.

The spelling of 513429128 in words is "five hundred thirteen million, four hundred twenty-nine thousand, one hundred twenty-eight".