113642263 has 8 divisors (see below), whose sum is σ = 137516832. Its totient is φ = 91677696.

The previous prime is 113642237. The next prime is 113642293. The reversal of 113642263 is 362246311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113642263 - 2⁹ = 113641751 is a prime.

It is a super-2 number, since 2×113642263² = 25829127879522338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113642233) 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 7 ways as a sum of consecutive naturals, for example, 477370 + ... + 477607.

It is an arithmetic number, because the mean of its divisors is an integer number (17189604).

Almost surely, 2^113642263 is an apocalyptic number.

113642263 is a deficient number, since it is larger than the sum of its proper divisors (23874569).

113642263 is an equidigital number, since it uses as much as digits as its factorization.

113642263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955001.

The product of its digits is 5184, while the sum is 28.

The square root of 113642263 is about 10660.3125188711. The cubic root of 113642263 is about 484.3730347641.

Adding to 113642263 its reverse (362246311), we get a palindrome (475888574).

The spelling of 113642263 in words is "one hundred thirteen million, six hundred forty-two thousand, two hundred sixty-three".