113181648 has 120 divisors (see below), whose sum is σ = 319771200. Its totient is φ = 34467840.

The previous prime is 113181623. The next prime is 113181661. The reversal of 113181648 is 846181311.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568653 + ... + 568851.

It is an arithmetic number, because the mean of its divisors is an integer number (2664760).

Almost surely, 2^113181648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113181648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159885600).

113181648 is an abundant number, since it is smaller than the sum of its proper divisors (206589552).

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

113181648 is a wasteful number, since it uses less digits than its factorization.

113181648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 262 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 113181648 is about 10638.6863850759. The cubic root of 113181648 is about 483.7177280850.

The spelling of 113181648 in words is "one hundred thirteen million, one hundred eighty-one thousand, six hundred forty-eight".