18713121138214 has 8 divisors (see below), whose sum is σ = 28069889119200. Its totient is φ = 9356491431816.

The previous prime is 18713121138209. The next prime is 18713121138223. The reversal of 18713121138214 is 41283112131781.

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

It is a super-2 number, since 2×18713121138214² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 34229649 + ... + 34772044.

It is an arithmetic number, because the mean of its divisors is an integer number (3508736139900).

Almost surely, 2^{18713121138214} is an apocalyptic number.

18713121138214 is a deficient number, since it is larger than the sum of its proper divisors (9356767980986).

18713121138214 is a wasteful number, since it uses less digits than its factorization.

18713121138214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69137294.

The product of its digits is 64512, while the sum is 43.

Adding to 18713121138214 its reverse (41283112131781), we get a palindrome (59996233269995).

The spelling of 18713121138214 in words is "eighteen trillion, seven hundred thirteen billion, one hundred twenty-one million, one hundred thirty-eight thousand, two hundred fourteen".