113986943 has 4 divisors (see below), whose sum is σ = 130270800. Its totient is φ = 97703088.

The previous prime is 113986843. The next prime is 113986949. The reversal of 113986943 is 349689311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113986943 - 2¹⁰ = 113985919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113986894 and 113986903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113986949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8141918 + ... + 8141931.

It is an arithmetic number, because the mean of its divisors is an integer number (32567700).

Almost surely, 2^113986943 is an apocalyptic number.

113986943 is a deficient number, since it is larger than the sum of its proper divisors (16283857).

113986943 is an equidigital number, since it uses as much as digits as its factorization.

113986943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16283856.

The product of its digits is 139968, while the sum is 44.

The square root of 113986943 is about 10676.4667844751. The cubic root of 113986943 is about 484.8622459238.

The spelling of 113986943 in words is "one hundred thirteen million, nine hundred eighty-six thousand, nine hundred forty-three".