111111134 has 8 divisors (see below), whose sum is σ = 169399128. Its totient is φ = 54644760.

The previous prime is 111111131. The next prime is 111111139. The reversal of 111111134 is 431111111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455252 + ... + 455495.

It is an arithmetic number, because the mean of its divisors is an integer number (21174891).

Almost surely, 2^111111134 is an apocalyptic number.

111111134 is a deficient number, since it is larger than the sum of its proper divisors (58287994).

111111134 is an equidigital number, since it uses as much as digits as its factorization.

111111134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910810.

The product of its digits is 12, while the sum is 14.

The square root of 111111134 is about 10540.9266196099. The cubic root of 111111134 is about 480.7498897806.

Adding to 111111134 its reverse (431111111), we get a palindrome (542222245).

The spelling of 111111134 in words is "one hundred eleven million, one hundred eleven thousand, one hundred thirty-four".