113838791 has 8 divisors (see below), whose sum is σ = 124685568. Its totient is φ = 103075000.

The previous prime is 113838787. The next prime is 113838827. The reversal of 113838791 is 197838311.

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

It is a cyclic number.

It is not a de Polignac number, because 113838791 - 2² = 113838787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113838701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17855 + ... + 23376.

It is an arithmetic number, because the mean of its divisors is an integer number (15585696).

Almost surely, 2^113838791 is an apocalyptic number.

113838791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113838791 is a deficient number, since it is larger than the sum of its proper divisors (10846777).

113838791 is a wasteful number, since it uses less digits than its factorization.

113838791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41493.

The product of its digits is 36288, while the sum is 41.

The square root of 113838791 is about 10669.5262781437. The cubic root of 113838791 is about 484.6520918678.

The spelling of 113838791 in words is "one hundred thirteen million, eight hundred thirty-eight thousand, seven hundred ninety-one".