113789 has 4 divisors (see below), whose sum is σ = 122556. Its totient is φ = 105024.

The previous prime is 113783. The next prime is 113797. The reversal of 113789 is 987311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58564 + 55225 = 242^2 + 235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113789 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6, base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113783) 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, 4364 + ... + 4389.

It is an arithmetic number, because the mean of its divisors is an integer number (30639).

2¹¹³⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

113789 is a deficient number, since it is larger than the sum of its proper divisors (8767).

113789 is an equidigital number, since it uses as much as digits as its factorization.

113789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766.

The product of its digits is 1512, while the sum is 29.

The square root of 113789 is about 337.3262515726. The cubic root of 113789 is about 48.4581422251.

The spelling of 113789 in words is "one hundred thirteen thousand, seven hundred eighty-nine".