113261140 has 96 divisors (see below), whose sum is σ = 263983104. Its totient is φ = 40642560.

The previous prime is 113261129. The next prime is 113261149. The reversal of 113261140 is 41162311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113261149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891757 + ... + 891883.

It is an arithmetic number, because the mean of its divisors is an integer number (2749824).

Almost surely, 2^113261140 is an apocalyptic number.

113261140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113261140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131991552).

113261140 is an abundant number, since it is smaller than the sum of its proper divisors (150721964).

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

113261140 is a wasteful number, since it uses less digits than its factorization.

113261140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 113261140 is about 10642.4217168838. The cubic root of 113261140 is about 483.8309463549.

The spelling of 113261140 in words is "one hundred thirteen million, two hundred sixty-one thousand, one hundred forty".