113242135 has 4 divisors (see below), whose sum is σ = 135890568. Its totient is φ = 90593704.

The previous prime is 113242121. The next prime is 113242141. The reversal of 113242135 is 531242311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531242311 = 151 ⋅3518161.

It is a cyclic number.

It is not a de Polignac number, because 113242135 - 2⁷ = 113242007 is a prime.

It is a super-2 number, since 2×113242135² = 25647562278716450, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 11324209 + ... + 11324218.

It is an arithmetic number, because the mean of its divisors is an integer number (33972642).

Almost surely, 2^113242135 is an apocalyptic number.

113242135 is a deficient number, since it is larger than the sum of its proper divisors (22648433).

113242135 is an equidigital number, since it uses as much as digits as its factorization.

113242135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22648432.

The product of its digits is 720, while the sum is 22.

The square root of 113242135 is about 10641.5287905451. The cubic root of 113242135 is about 483.8038828758.

Adding to 113242135 its reverse (531242311), we get a palindrome (644484446).

The spelling of 113242135 in words is "one hundred thirteen million, two hundred forty-two thousand, one hundred thirty-five".