113807943 has 16 divisors (see below), whose sum is σ = 169224160. Its totient is φ = 75593088.

The previous prime is 113807927. The next prime is 113807963. The reversal of 113807943 is 349708311.

It is a happy number.

It is not a de Polignac number, because 113807943 - 2⁴ = 113807927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113807898 and 113807907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113807963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130 + ... + 15087.

It is an arithmetic number, because the mean of its divisors is an integer number (10576510).

Almost surely, 2^113807943 is an apocalyptic number.

113807943 is a deficient number, since it is larger than the sum of its proper divisors (55416217).

113807943 is a wasteful number, since it uses less digits than its factorization.

113807943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503 (or 15497 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 113807943 is about 10668.0805677498. The cubic root of 113807943 is about 484.6083109555.

The spelling of 113807943 in words is "one hundred thirteen million, eight hundred seven thousand, nine hundred forty-three".