512345134 has 16 divisors (see below), whose sum is σ = 882861408. Its totient is φ = 218437632.

The previous prime is 512345123. The next prime is 512345137. The reversal of 512345134 is 431543215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512345137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92107 + ... + 97510.

It is an arithmetic number, because the mean of its divisors is an integer number (55178838).

Almost surely, 2^512345134 is an apocalyptic number.

512345134 is a deficient number, since it is larger than the sum of its proper divisors (370516274).

512345134 is a wasteful number, since it uses less digits than its factorization.

512345134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189819.

The product of its digits is 7200, while the sum is 28.

The square root of 512345134 is about 22635.0421691677. The cubic root of 512345134 is about 800.1797169159.

Adding to 512345134 its reverse (431543215), we get a palindrome (943888349).

The spelling of 512345134 in words is "five hundred twelve million, three hundred forty-five thousand, one hundred thirty-four".