111342134 has 4 divisors (see below), whose sum is σ = 167013204. Its totient is φ = 55671066.

The previous prime is 111342067. The next prime is 111342137. The reversal of 111342134 is 431243111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111342137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27835532 + ... + 27835535.

It is an arithmetic number, because the mean of its divisors is an integer number (41753301).

Almost surely, 2^111342134 is an apocalyptic number.

111342134 is a deficient number, since it is larger than the sum of its proper divisors (55671070).

111342134 is an equidigital number, since it uses as much as digits as its factorization.

111342134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55671069.

The product of its digits is 288, while the sum is 20.

The square root of 111342134 is about 10551.8782214353. The cubic root of 111342134 is about 481.0828187723.

Adding to 111342134 its reverse (431243111), we get a palindrome (542585245).

The spelling of 111342134 in words is "one hundred eleven million, three hundred forty-two thousand, one hundred thirty-four".