18134707432 has 32 divisors (see below), whose sum is σ = 36013851720. Its totient is φ = 8531343360.

The previous prime is 18134707403. The next prime is 18134707447. The reversal of 18134707432 is 23470743181.

It can be written as a sum of positive squares in 4 ways, for example, as 17866599556 + 268107876 = 133666^2 + 16374^2 .

It is a super-2 number, since 2×18134707432² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462748 + ... + 500404.

Almost surely, 2^18134707432 is an apocalyptic number.

It is an amenable number.

18134707432 is a deficient number, since it is larger than the sum of its proper divisors (17879144288).

18134707432 is a wasteful number, since it uses less digits than its factorization.

18134707432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41221 (or 41217 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 18134707432 in words is "eighteen billion, one hundred thirty-four million, seven hundred seven thousand, four hundred thirty-two".