324139018 has 24 divisors (see below), whose sum is σ = 580882212. Its totient is φ = 135160704.

The previous prime is 324138967. The next prime is 324139019. The reversal of 324139018 is 810931423.

It can be written as a sum of positive squares in 2 ways, for example, as 323892009 + 247009 = 17997^2 + 497^2 .

It is a super-2 number, since 2×324139018² = 210132205980008648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324139019) 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 11 ways as a sum of consecutive naturals, for example, 41071 + ... + 48322.

Almost surely, 2^324139018 is an apocalyptic number.

324139018 is a deficient number, since it is larger than the sum of its proper divisors (256743194).

324139018 is a wasteful number, since it uses less digits than its factorization.

324139018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89446 (or 89439 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 324139018 is about 18003.8611969766. The cubic root of 324139018 is about 686.9267635135.

The spelling of 324139018 in words is "three hundred twenty-four million, one hundred thirty-nine thousand, eighteen".