14912921138 has 8 divisors (see below), whose sum is σ = 22371576732. Its totient is φ = 7455728896.

The previous prime is 14912921099. The next prime is 14912921159. The reversal of 14912921138 is 83112921941.

It is a happy number.

14912921138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13182943489 + 1729977649 = 114817^2 + 41593^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 14912921095 and 14912921104.

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 3 ways as a sum of consecutive naturals, for example, 339995 + ... + 381342.

Almost surely, 2^14912921138 is an apocalyptic number.

14912921138 is a deficient number, since it is larger than the sum of its proper divisors (7458655594).

14912921138 is a wasteful number, since it uses less digits than its factorization.

14912921138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731676.

The product of its digits is 31104, while the sum is 41.

The spelling of 14912921138 in words is "fourteen billion, nine hundred twelve million, nine hundred twenty-one thousand, one hundred thirty-eight".