113821086 has 32 divisors (see below), whose sum is σ = 246647808. Its totient is φ = 34876800.

The previous prime is 113821079. The next prime is 113821111. The reversal of 113821086 is 680128311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8590 + ... + 17361.

It is an arithmetic number, because the mean of its divisors is an integer number (7707744).

Almost surely, 2^113821086 is an apocalyptic number.

113821086 is an abundant number, since it is smaller than the sum of its proper divisors (132826722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113821086 is a wasteful number, since it uses less digits than its factorization.

113821086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26016.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 113821086 is about 10668.6965464390. The cubic root of 113821086 is about 484.6269650778.

Adding to 113821086 its reverse (680128311), we get a palindrome (793949397).

The spelling of 113821086 in words is "one hundred thirteen million, eight hundred twenty-one thousand, eighty-six".