18141138294 has 32 divisors (see below), whose sum is σ = 38674389600. Its totient is φ = 5653135872.

The previous prime is 18141138287. The next prime is 18141138329. The reversal of 18141138294 is 49283114181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581629 + ... + 612024.

It is an arithmetic number, because the mean of its divisors is an integer number (1208574675).

Almost surely, 2^18141138294 is an apocalyptic number.

18141138294 is an abundant number, since it is smaller than the sum of its proper divisors (20533251306).

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

18141138294 is a wasteful number, since it uses less digits than its factorization.

18141138294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193824.

The product of its digits is 55296, while the sum is 42.

The spelling of 18141138294 in words is "eighteen billion, one hundred forty-one million, one hundred thirty-eight thousand, two hundred ninety-four".