113540171 has 2 divisors, whose sum is σ = 113540172. Its totient is φ = 113540170.

The previous prime is 113540123. The next prime is 113540173. The reversal of 113540171 is 171045311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113540171 - 2¹⁸ = 113278027 is a prime.

Together with 113540173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113540173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56770085 + 56770086.

It is an arithmetic number, because the mean of its divisors is an integer number (56770086).

Almost surely, 2^113540171 is an apocalyptic number.

113540171 is a deficient number, since it is larger than the sum of its proper divisors (1).

113540171 is an equidigital number, since it uses as much as digits as its factorization.

113540171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 113540171 is about 10655.5230279888. The cubic root of 113540171 is about 484.2279437092.

Adding to 113540171 its reverse (171045311), we get a palindrome (284585482).

The spelling of 113540171 in words is "one hundred thirteen million, five hundred forty thousand, one hundred seventy-one".