113546 has 4 divisors (see below), whose sum is σ = 170322. Its totient is φ = 56772.

The previous prime is 113539. The next prime is 113557. The reversal of 113546 is 645311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645311 = 23 ⋅28057.

It can be written as a sum of positive squares in only one way, i.e., 105625 + 7921 = 325^2 + 89^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is an unprimeable number.

113546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28385 + ... + 28388.

2¹¹³⁵⁴⁶ is an apocalyptic number.

113546 is a deficient number, since it is larger than the sum of its proper divisors (56776).

113546 is an equidigital number, since it uses as much as digits as its factorization.

113546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56775.

The product of its digits is 360, while the sum is 20.

The square root of 113546 is about 336.9658736430. The cubic root of 113546 is about 48.4236230105.

Subtracting from 113546 its sum of digits (20), we obtain a triangular number (113526 = T₄₇₆).

Adding to 113546 its reverse (645311), we get a palindrome (758857).

The spelling of 113546 in words is "one hundred thirteen thousand, five hundred forty-six".