111370139 has 2 divisors, whose sum is σ = 111370140. Its totient is φ = 111370138.

The previous prime is 111370123. The next prime is 111370157. The reversal of 111370139 is 931073111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111370139 - 2⁴ = 111370123 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111370339) 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, 55685069 + 55685070.

It is an arithmetic number, because the mean of its divisors is an integer number (55685070).

Almost surely, 2^111370139 is an apocalyptic number.

111370139 is a deficient number, since it is larger than the sum of its proper divisors (1).

111370139 is an equidigital number, since it uses as much as digits as its factorization.

111370139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 111370139 is about 10553.2051529381. The cubic root of 111370139 is about 481.1231497008.

The spelling of 111370139 in words is "one hundred eleven million, three hundred seventy thousand, one hundred thirty-nine".