18271318134 has 8 divisors (see below), whose sum is σ = 36542636280. Its totient is φ = 6090439376.

The previous prime is 18271318127. The next prime is 18271318183. The reversal of 18271318134 is 43181317281.

It is a happy number.

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

18271318134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18271318092 and 18271318101.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1522609839 + ... + 1522609850.

It is an arithmetic number, because the mean of its divisors is an integer number (4567829535).

Almost surely, 2^18271318134 is an apocalyptic number.

18271318134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18271318134 is a wasteful number, since it uses less digits than its factorization.

18271318134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045219694.

The product of its digits is 32256, while the sum is 39.

The spelling of 18271318134 in words is "eighteen billion, two hundred seventy-one million, three hundred eighteen thousand, one hundred thirty-four".