113842 has 4 divisors (see below), whose sum is σ = 170766. Its totient is φ = 56920.

The previous prime is 113837. The next prime is 113843. The reversal of 113842 is 248311.

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., 73441 + 40401 = 271^2 + 201^2 .

It is not an unprimeable number, because it can be changed into a prime (113843) by changing a digit.

113842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28459 + ... + 28462.

2¹¹³⁸⁴² is an apocalyptic number.

113842 is a deficient number, since it is larger than the sum of its proper divisors (56924).

113842 is an equidigital number, since it uses as much as digits as its factorization.

113842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56923.

The product of its digits is 192, while the sum is 19.

The square root of 113842 is about 337.4048013885. The cubic root of 113842 is about 48.4656645775.

The spelling of 113842 in words is "one hundred thirteen thousand, eight hundred forty-two".