113519540 has 48 divisors (see below), whose sum is σ = 256737600. Its totient is φ = 42004992.

The previous prime is 113519537. The next prime is 113519569. The reversal of 113519540 is 45915311.

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, 17231 + ... + 22889.

It is an arithmetic number, because the mean of its divisors is an integer number (5348700).

Almost surely, 2^113519540 is an apocalyptic number.

113519540 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 113519540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128368800).

113519540 is an abundant number, since it is smaller than the sum of its proper divisors (143218060).

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

113519540 is a wasteful number, since it uses less digits than its factorization.

113519540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744 (or 5742 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 113519540 is about 10654.5548945040. The cubic root of 113519540 is about 484.1986127926.

The spelling of 113519540 in words is "one hundred thirteen million, five hundred nineteen thousand, five hundred forty".