113442135 has 8 divisors (see below), whose sum is σ = 181507440. Its totient is φ = 60502464.

The previous prime is 113442097. The next prime is 113442143. The reversal of 113442135 is 531244311.

It is a happy number.

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

It is not a de Polignac number, because 113442135 - 2¹⁸ = 113179991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3781390 + ... + 3781419.

It is an arithmetic number, because the mean of its divisors is an integer number (22688430).

Almost surely, 2^113442135 is an apocalyptic number.

113442135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113442135 is a deficient number, since it is larger than the sum of its proper divisors (68065305).

113442135 is an equidigital number, since it uses as much as digits as its factorization.

113442135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562817.

The product of its digits is 1440, while the sum is 24.

The square root of 113442135 is about 10650.9217910940. The cubic root of 113442135 is about 484.0885350754.

Adding to 113442135 its reverse (531244311), we get a palindrome (644686446).

The spelling of 113442135 in words is "one hundred thirteen million, four hundred forty-two thousand, one hundred thirty-five".