113128418 has 16 divisors (see below), whose sum is σ = 185322816. Its totient is φ = 51476880.

The previous prime is 113128409. The next prime is 113128441. The reversal of 113128418 is 814821311.

It is a Curzon 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, 28796 + ... + 32487.

It is an arithmetic number, because the mean of its divisors is an integer number (11582676).

Almost surely, 2^113128418 is an apocalyptic number.

113128418 is a deficient number, since it is larger than the sum of its proper divisors (72194398).

113128418 is a wasteful number, since it uses less digits than its factorization.

113128418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61369.

The product of its digits is 1536, while the sum is 29.

The square root of 113128418 is about 10636.1843722267. The cubic root of 113128418 is about 483.6418844222.

Adding to 113128418 its reverse (814821311), we get a palindrome (927949729).

The spelling of 113128418 in words is "one hundred thirteen million, one hundred twenty-eight thousand, four hundred eighteen".