113817842 has 4 divisors (see below), whose sum is σ = 170726766. Its totient is φ = 56908920.

The previous prime is 113817841. The next prime is 113817853. The reversal of 113817842 is 248718311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111534721 + 2283121 = 10561^2 + 1511^2 .

It is not an unprimeable number, because it can be changed into a prime (113817841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28454459 + ... + 28454462.

Almost surely, 2^113817842 is an apocalyptic number.

113817842 is a deficient number, since it is larger than the sum of its proper divisors (56908924).

113817842 is an equidigital number, since it uses as much as digits as its factorization.

113817842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56908923.

The product of its digits is 10752, while the sum is 35.

The square root of 113817842 is about 10668.5445117879. The cubic root of 113817842 is about 484.6223609374.

The spelling of 113817842 in words is "one hundred thirteen million, eight hundred seventeen thousand, eight hundred forty-two".