113404005 has 48 divisors (see below), whose sum is σ = 230944896. Its totient is φ = 50751360.

The previous prime is 113403977. The next prime is 113404009. The reversal of 113404005 is 500404311.

It is a happy number.

It is not a de Polignac number, because 113404005 - 2¹⁰ = 113402981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113404009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2377 + ... + 15246.

It is an arithmetic number, because the mean of its divisors is an integer number (4811352).

Almost surely, 2^113404005 is an apocalyptic number.

113404005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113404005 is an abundant number, since it is smaller than the sum of its proper divisors (117540891).

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

113404005 is a wasteful number, since it uses less digits than its factorization.

113404005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658 (or 17655 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 113404005 is about 10649.1316547407. The cubic root of 113404005 is about 484.0342919605.

Adding to 113404005 its reverse (500404311), we get a palindrome (613808316).

The spelling of 113404005 in words is "one hundred thirteen million, four hundred four thousand, five".