113405660 has 24 divisors (see below), whose sum is σ = 246365280. Its totient is φ = 43797824.

The previous prime is 113405647. The next prime is 113405693. The reversal of 113405660 is 66504311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97184 + ... + 98343.

It is an arithmetic number, because the mean of its divisors is an integer number (10265220).

Almost surely, 2^113405660 is an apocalyptic number.

113405660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113405660 is an abundant number, since it is smaller than the sum of its proper divisors (132959620).

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

113405660 is a wasteful number, since it uses less digits than its factorization.

113405660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195565 (or 195563 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 113405660 is about 10649.2093603234. The cubic root of 113405660 is about 484.0366465889.

Adding to 113405660 its reverse (66504311), we get a palindrome (179909971).

The spelling of 113405660 in words is "one hundred thirteen million, four hundred five thousand, six hundred sixty".