113856286 has 4 divisors (see below), whose sum is σ = 170784432. Its totient is φ = 56928142.

The previous prime is 113856283. The next prime is 113856287. The reversal of 113856286 is 682658311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 682658311 = 643 ⋅1061677.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113856283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28464070 + ... + 28464073.

It is an arithmetic number, because the mean of its divisors is an integer number (42696108).

Almost surely, 2^113856286 is an apocalyptic number.

113856286 is a deficient number, since it is larger than the sum of its proper divisors (56928146).

113856286 is an equidigital number, since it uses as much as digits as its factorization.

113856286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56928145.

The product of its digits is 69120, while the sum is 40.

The square root of 113856286 is about 10670.3461049771. The cubic root of 113856286 is about 484.6769180685.

It can be divided in two parts, 11385 and 6286, that added together give a palindrome (17671).

The spelling of 113856286 in words is "one hundred thirteen million, eight hundred fifty-six thousand, two hundred eighty-six".