113739943 has 4 divisors (see below), whose sum is σ = 117662040. Its totient is φ = 109817848.

The previous prime is 113739931. The next prime is 113739959. The reversal of 113739943 is 349937311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113739943 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113739896 and 113739905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113739973) 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, 1961005 + ... + 1961062.

It is an arithmetic number, because the mean of its divisors is an integer number (29415510).

Almost surely, 2^113739943 is an apocalyptic number.

113739943 is a deficient number, since it is larger than the sum of its proper divisors (3922097).

113739943 is an equidigital number, since it uses as much as digits as its factorization.

113739943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922096.

The product of its digits is 61236, while the sum is 40.

The square root of 113739943 is about 10664.8930139969. The cubic root of 113739943 is about 484.5117742533.

It can be divided in two parts, 11373 and 9943, that added together give a square (21316 = 146²).

The spelling of 113739943 in words is "one hundred thirteen million, seven hundred thirty-nine thousand, nine hundred forty-three".