113816 has 16 divisors (see below), whose sum is σ = 219240. Its totient is φ = 55360.

The previous prime is 113809. The next prime is 113819. The reversal of 113816 is 618311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113819) by changing a digit.

113816 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 in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 501.

2¹¹³⁸¹⁶ is an apocalyptic number.

It is an amenable number.

113816 is a deficient number, since it is larger than the sum of its proper divisors (105424).

113816 is a wasteful number, since it uses less digits than its factorization.

113816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 390 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 113816 is about 337.3662698018. The cubic root of 113816 is about 48.4619746587.

It can be divided in two parts, 11381 and 6, that multiplied together give a palindrome (68286).

The spelling of 113816 in words is "one hundred thirteen thousand, eight hundred sixteen".