512136218 has 16 divisors (see below), whose sum is σ = 841237056. Its totient is φ = 231901440.

The previous prime is 512136217. The next prime is 512136221. The reversal of 512136218 is 812631215.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (512136217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38471 + ... + 50042.

It is an arithmetic number, because the mean of its divisors is an integer number (52577316).

Almost surely, 2^512136218 is an apocalyptic number.

512136218 is a deficient number, since it is larger than the sum of its proper divisors (329100838).

512136218 is a wasteful number, since it uses less digits than its factorization.

512136218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88789.

The product of its digits is 2880, while the sum is 29.

The square root of 512136218 is about 22630.4268187765. The cubic root of 512136218 is about 800.0709405841.

The spelling of 512136218 in words is "five hundred twelve million, one hundred thirty-six thousand, two hundred eighteen".