113940173 has 4 divisors (see below), whose sum is σ = 116364480. Its totient is φ = 111515868.

The previous prime is 113940157. The next prime is 113940181. The reversal of 113940173 is 371049311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113940173 - 2⁴ = 113940157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113942173) 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, 1212083 + ... + 1212176.

It is an arithmetic number, because the mean of its divisors is an integer number (29091120).

Almost surely, 2^113940173 is an apocalyptic number.

It is an amenable number.

113940173 is a deficient number, since it is larger than the sum of its proper divisors (2424307).

113940173 is an equidigital number, since it uses as much as digits as its factorization.

113940173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424306.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 113940173 is about 10674.2762283913. The cubic root of 113940173 is about 484.7959222178.

Adding to 113940173 its reverse (371049311), we get a palindrome (484989484).

The spelling of 113940173 in words is "one hundred thirteen million, nine hundred forty thousand, one hundred seventy-three".