113140238 has 16 divisors (see below), whose sum is σ = 176707440. Its totient is φ = 54283200.

The previous prime is 113140211. The next prime is 113140241. The reversal of 113140238 is 832041311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6308 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (11044215).

Almost surely, 2^113140238 is an apocalyptic number.

113140238 is a deficient number, since it is larger than the sum of its proper divisors (63567202).

113140238 is a wasteful number, since it uses less digits than its factorization.

113140238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22723.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 113140238 is about 10636.7400081040. The cubic root of 113140238 is about 483.6587279589.

Adding to 113140238 its reverse (832041311), we get a palindrome (945181549).

The spelling of 113140238 in words is "one hundred thirteen million, one hundred forty thousand, two hundred thirty-eight".