113419978 has 16 divisors (see below), whose sum is σ = 194644800. Its totient is φ = 48555936.

The previous prime is 113419967. The next prime is 113420003. The reversal of 113419978 is 879914311.

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 7 ways as a sum of consecutive naturals, for example, 10825 + ... + 18547.

It is an arithmetic number, because the mean of its divisors is an integer number (12165300).

Almost surely, 2^113419978 is an apocalyptic number.

113419978 is a deficient number, since it is larger than the sum of its proper divisors (81224822).

113419978 is a wasteful number, since it uses less digits than its factorization.

113419978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781.

The product of its digits is 54432, while the sum is 43.

The square root of 113419978 is about 10649.8815955859. The cubic root of 113419978 is about 484.0570163689.

It can be divided in two parts, 1134 and 19978, that added together give a palindrome (21112).

The spelling of 113419978 in words is "one hundred thirteen million, four hundred nineteen thousand, nine hundred seventy-eight".