113738418 has 40 divisors (see below), whose sum is σ = 256742640. Its totient is φ = 37632600.

The previous prime is 113738413. The next prime is 113738419. The reversal of 113738418 is 814837311.

It is not an unprimeable number, because it can be changed into a prime (113738413) 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 19 ways as a sum of consecutive naturals, for example, 19993 + ... + 25043.

It is an arithmetic number, because the mean of its divisors is an integer number (6418566).

Almost surely, 2^113738418 is an apocalyptic number.

113738418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113738418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128371320).

113738418 is an abundant number, since it is smaller than the sum of its proper divisors (143004222).

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

113738418 is a wasteful number, since it uses less digits than its factorization.

113738418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204 (or 5195 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 113738418 is about 10664.8215174939. The cubic root of 113738418 is about 484.5096088347.

It can be divided in two parts, 11373 and 8418, that added together give a palindrome (19791).

The spelling of 113738418 in words is "one hundred thirteen million, seven hundred thirty-eight thousand, four hundred eighteen".