113818273 has 4 divisors (see below), whose sum is σ = 115097220. Its totient is φ = 112539328.

The previous prime is 113818261. The next prime is 113818277. The reversal of 113818273 is 372818311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 372818311 = 317 ⋅1176083.

It can be written as a sum of positive squares in 2 ways, for example, as 9941409 + 103876864 = 3153^2 + 10192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113818273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113818277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639340 + ... + 639517.

It is an arithmetic number, because the mean of its divisors is an integer number (28774305).

Almost surely, 2^113818273 is an apocalyptic number.

It is an amenable number.

113818273 is a deficient number, since it is larger than the sum of its proper divisors (1278947).

113818273 is an equidigital number, since it uses as much as digits as its factorization.

113818273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278946.

The product of its digits is 8064, while the sum is 34.

The square root of 113818273 is about 10668.5647113377. The cubic root of 113818273 is about 484.6229726516.

The spelling of 113818273 in words is "one hundred thirteen million, eight hundred eighteen thousand, two hundred seventy-three".