512728134 has 16 divisors (see below), whose sum is σ = 1029749760. Its totient is φ = 170193800.

The previous prime is 512728103. The next prime is 512728141. The reversal of 512728134 is 431827215.

It is a junction number, because it is equal to n+sod(n) for n = 512728095 and 512728104.

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, 177342 + ... + 180209.

It is an arithmetic number, because the mean of its divisors is an integer number (64359360).

Almost surely, 2^512728134 is an apocalyptic number.

512728134 is an abundant number, since it is smaller than the sum of its proper divisors (517021626).

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

512728134 is a wasteful number, since it uses less digits than its factorization.

512728134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357795.

The product of its digits is 13440, while the sum is 33.

The square root of 512728134 is about 22643.5009218981. The cubic root of 512728134 is about 800.3790568249.

The spelling of 512728134 in words is "five hundred twelve million, seven hundred twenty-eight thousand, one hundred thirty-four".