111134839 has 2 divisors, whose sum is σ = 111134840. Its totient is φ = 111134838.

The previous prime is 111134789. The next prime is 111134869. The reversal of 111134839 is 938431111.

111134839 is nontrivially palindromic in base 6.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111134839 - 2⁷ = 111134711 is a prime.

It is a super-3 number, since 3×111134839³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111134839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111134869) 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 as a sum of consecutive naturals, namely, 55567419 + 55567420.

It is an arithmetic number, because the mean of its divisors is an integer number (55567420).

Almost surely, 2^111134839 is an apocalyptic number.

111134839 is a deficient number, since it is larger than the sum of its proper divisors (1).

111134839 is an equidigital number, since it uses as much as digits as its factorization.

111134839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 111134839 is about 10542.0509864068. The cubic root of 111134839 is about 480.7840758710.

The spelling of 111134839 in words is "one hundred eleven million, one hundred thirty-four thousand, eight hundred thirty-nine".