113841866 has 4 divisors (see below), whose sum is σ = 170762802. Its totient is φ = 56920932.

The previous prime is 113841853. The next prime is 113841869. The reversal of 113841866 is 668148311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668148311 = 61 ⋅10953251.

It can be written as a sum of positive squares in only one way, i.e., 86583025 + 27258841 = 9305^2 + 5221^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113841869) 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 as a sum of consecutive naturals, namely, 28460465 + ... + 28460468.

Almost surely, 2^113841866 is an apocalyptic number.

113841866 is a deficient number, since it is larger than the sum of its proper divisors (56920936).

113841866 is an equidigital number, since it uses as much as digits as its factorization.

113841866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56920935.

The product of its digits is 27648, while the sum is 38.

The square root of 113841866 is about 10669.6703791635. The cubic root of 113841866 is about 484.6564556169.

The spelling of 113841866 in words is "one hundred thirteen million, eight hundred forty-one thousand, eight hundred sixty-six".