113861219 has 4 divisors (see below), whose sum is σ = 115035144. Its totient is φ = 112687296.

The previous prime is 113861203. The next prime is 113861261. The reversal of 113861219 is 912168311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912168311 = 71 ⋅12847441.

It is a cyclic number.

It is not a de Polignac number, because 113861219 - 2⁴ = 113861203 is a prime.

It is a super-2 number, since 2×113861219² = 25928754384331922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113861269) 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, 586817 + ... + 587010.

It is an arithmetic number, because the mean of its divisors is an integer number (28758786).

Almost surely, 2^113861219 is an apocalyptic number.

113861219 is a deficient number, since it is larger than the sum of its proper divisors (1173925).

113861219 is an equidigital number, since it uses as much as digits as its factorization.

113861219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173924.

The product of its digits is 2592, while the sum is 32.

The square root of 113861219 is about 10670.5772571122. The cubic root of 113861219 is about 484.6839177603.

The spelling of 113861219 in words is "one hundred thirteen million, eight hundred sixty-one thousand, two hundred nineteen".