111673136 has 40 divisors (see below), whose sum is σ = 232038720. Its totient is φ = 51876864.

The previous prime is 111673117. The next prime is 111673139. The reversal of 111673136 is 631376111.

It is a junction number, because it is equal to n+sod(n) for n = 111673099 and 111673108.

It is not an unprimeable number, because it can be changed into a prime (111673139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18890 + ... + 24086.

It is an arithmetic number, because the mean of its divisors is an integer number (5800968).

Almost surely, 2^111673136 is an apocalyptic number.

111673136 is a gapful number since it is divisible by the number (16) 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 111673136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116019360).

111673136 is an abundant number, since it is smaller than the sum of its proper divisors (120365584).

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

111673136 is a wasteful number, since it uses less digits than its factorization.

111673136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301 (or 5295 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 111673136 is about 10567.5510881188. The cubic root of 111673136 is about 481.5590740527.

The spelling of 111673136 in words is "one hundred eleven million, six hundred seventy-three thousand, one hundred thirty-six".