113140608 has 128 divisors (see below), whose sum is σ = 350880000. Its totient is φ = 32288256.

The previous prime is 113140597. The next prime is 113140631. The reversal of 113140608 is 806041311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 131283 + ... + 132141.

It is an arithmetic number, because the mean of its divisors is an integer number (2741250).

Almost surely, 2^113140608 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 113140608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175440000).

113140608 is an abundant number, since it is smaller than the sum of its proper divisors (237739392).

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

113140608 is an frugal number, since it uses more digits than its factorization.

113140608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 113140608 is about 10636.7574006367. The cubic root of 113140608 is about 483.6592551911.

Adding to 113140608 its reverse (806041311), we get a palindrome (919181919).

The spelling of 113140608 in words is "one hundred thirteen million, one hundred forty thousand, six hundred eight".