113821384738 has 8 divisors (see below), whose sum is σ = 172893242880. Its totient is φ = 56190303780.

The previous prime is 113821384709. The next prime is 113821384751. The reversal of 113821384738 is 837483128311.

It is a happy number.

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 = 113821384691 and 113821384700.

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, 360194098 + ... + 360194413.

It is an arithmetic number, because the mean of its divisors is an integer number (21611655360).

Almost surely, 2^113821384738 is an apocalyptic number.

113821384738 is a deficient number, since it is larger than the sum of its proper divisors (59071858142).

113821384738 is an equidigital number, since it uses as much as digits as its factorization.

113821384738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720388592.

The product of its digits is 774144, while the sum is 49.

The spelling of 113821384738 in words is "one hundred thirteen billion, eight hundred twenty-one million, three hundred eighty-four thousand, seven hundred thirty-eight".