113677181 has 4 divisors (see below), whose sum is σ = 120364092. Its totient is φ = 106990272.

The previous prime is 113677169. The next prime is 113677189. The reversal of 113677181 is 181776311.

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 100681156 + 12996025 = 10034^2 + 3605^2 .

It is a cyclic number.

It is not a de Polignac number, because 113677181 - 2¹⁴ = 113660797 is a prime.

It is a super-2 number, since 2×113677181² = 25845002960213522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113677189) 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, 3343430 + ... + 3343463.

It is an arithmetic number, because the mean of its divisors is an integer number (30091023).

Almost surely, 2^113677181 is an apocalyptic number.

It is an amenable number.

113677181 is a deficient number, since it is larger than the sum of its proper divisors (6686911).

113677181 is an equidigital number, since it uses as much as digits as its factorization.

113677181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686910.

The product of its digits is 7056, while the sum is 35.

The square root of 113677181 is about 10661.9501499491. The cubic root of 113677181 is about 484.4226395655.

The spelling of 113677181 in words is "one hundred thirteen million, six hundred seventy-seven thousand, one hundred eighty-one".