113105140 has 12 divisors (see below), whose sum is σ = 237520836. Its totient is φ = 45242048.

The previous prime is 113105137. The next prime is 113105149. The reversal of 113105140 is 41501311.

It can be written as a sum of positive squares in 2 ways, for example, as 24820324 + 88284816 = 4982^2 + 9396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113105149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2827609 + ... + 2827648.

It is an arithmetic number, because the mean of its divisors is an integer number (19793403).

Almost surely, 2^113105140 is an apocalyptic number.

113105140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113105140 is an abundant number, since it is smaller than the sum of its proper divisors (124415696).

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

113105140 is a wasteful number, since it uses less digits than its factorization.

113105140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655266 (or 5655264 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 113105140 is about 10635.0900325291. The cubic root of 113105140 is about 483.6087097691.

Adding to 113105140 its reverse (41501311), we get a palindrome (154606451).

The spelling of 113105140 in words is "one hundred thirteen million, one hundred five thousand, one hundred forty".