113791 has 8 divisors (see below), whose sum is σ = 123120. Its totient is φ = 104832.

The previous prime is 113783. The next prime is 113797. The reversal of 113791 is 197311.

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 113791 - 2³ = 113783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113797) 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, 951 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (15390).

2¹¹³⁷⁹¹ is an apocalyptic number.

113791 is a deficient number, since it is larger than the sum of its proper divisors (9329).

113791 is a wasteful number, since it uses less digits than its factorization.

113791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its digits is 189, while the sum is 22.

The square root of 113791 is about 337.3292160487. The cubic root of 113791 is about 48.4584261298.

The spelling of 113791 in words is "one hundred thirteen thousand, seven hundred ninety-one".