113581142 has 8 divisors (see below), whose sum is σ = 171964296. Its totient is φ = 56259712.

The previous prime is 113581141. The next prime is 113581151. The reversal of 113581142 is 241185311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113581141) 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 3 ways as a sum of consecutive naturals, for example, 265163 + ... + 265590.

It is an arithmetic number, because the mean of its divisors is an integer number (21495537).

Almost surely, 2^113581142 is an apocalyptic number.

113581142 is a deficient number, since it is larger than the sum of its proper divisors (58383154).

113581142 is a wasteful number, since it uses less digits than its factorization.

113581142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530862.

The product of its digits is 960, while the sum is 26.

The square root of 113581142 is about 10657.4453787012. The cubic root of 113581142 is about 484.2861812976.

The spelling of 113581142 in words is "one hundred thirteen million, five hundred eighty-one thousand, one hundred forty-two".