18134143645 has 8 divisors (see below), whose sum is σ = 21894476256. Its totient is φ = 14418312336.

The previous prime is 18134143637. The next prime is 18134143649. The reversal of 18134143645 is 54634143181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18134143645 - 2³ = 18134143637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18134143598 and 18134143607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18134143649) 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, 11124427 + ... + 11126056.

It is an arithmetic number, because the mean of its divisors is an integer number (2736809532).

Almost surely, 2^18134143645 is an apocalyptic number.

It is an amenable number.

18134143645 is a deficient number, since it is larger than the sum of its proper divisors (3760332611).

18134143645 is a wasteful number, since it uses less digits than its factorization.

18134143645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250651.

The product of its digits is 138240, while the sum is 40.

The spelling of 18134143645 in words is "eighteen billion, one hundred thirty-four million, one hundred forty-three thousand, six hundred forty-five".