113289 has 8 divisors (see below), whose sum is σ = 164832. Its totient is φ = 68640.

The previous prime is 113287. The next prime is 113327. The reversal of 113289 is 982311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113289 - 2¹ = 113287 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (113287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (20604).

2¹¹³²⁸⁹ is an apocalyptic number.

It is an amenable number.

113289 is a deficient number, since it is larger than the sum of its proper divisors (51543).

113289 is a wasteful number, since it uses less digits than its factorization.

113289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447.

The product of its digits is 432, while the sum is 24.

The square root of 113289 is about 336.5843133600. The cubic root of 113289 is about 48.3870614050.

It can be divided in two parts, 1132 and 89, that added together give a palindrome (1221).

The spelling of 113289 in words is "one hundred thirteen thousand, two hundred eighty-nine".