113649008 has 60 divisors (see below), whose sum is σ = 247380000. Its totient is φ = 50519040.

The previous prime is 113649001. The next prime is 113649017. The reversal of 113649008 is 800946311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113649001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90368 + ... + 91616.

It is an arithmetic number, because the mean of its divisors is an integer number (4123000).

Almost surely, 2^113649008 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 113649008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123690000).

113649008 is an abundant number, since it is smaller than the sum of its proper divisors (133730992).

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

113649008 is a wasteful number, since it uses less digits than its factorization.

113649008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 113649008 is about 10660.6288745083. The cubic root of 113649008 is about 484.3826175590.

The spelling of 113649008 in words is "one hundred thirteen million, six hundred forty-nine thousand, eight".