9724214138 has 8 divisors (see below), whose sum is σ = 14727936288. Its totient is φ = 4814902044.

The previous prime is 9724214111. The next prime is 9724214161. The reversal of 9724214138 is 8314124279.

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 = 9724214095 and 9724214104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23602256 + ... + 23602667.

It is an arithmetic number, because the mean of its divisors is an integer number (1840992036).

Almost surely, 2^9724214138 is an apocalyptic number.

9724214138 is a deficient number, since it is larger than the sum of its proper divisors (5003722150).

9724214138 is a wasteful number, since it uses less digits than its factorization.

9724214138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47205028.

The product of its digits is 96768, while the sum is 41.

The square root of 9724214138 is about 98611.4300575750. The cubic root of 9724214138 is about 2134.4443586929. Note that the first 3 decimals are identical.

The spelling of 9724214138 in words is "nine billion, seven hundred twenty-four million, two hundred fourteen thousand, one hundred thirty-eight".