135112139 has 2 divisors, whose sum is σ = 135112140. Its totient is φ = 135112138.

The previous prime is 135112129. The next prime is 135112147. The reversal of 135112139 is 931211531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135112139 - 2¹⁶ = 135046603 is a prime.

It is not a weakly prime, because it can be changed into another prime (135112129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67556069 + 67556070.

It is an arithmetic number, because the mean of its divisors is an integer number (67556070).

Almost surely, 2^135112139 is an apocalyptic number.

135112139 is a deficient number, since it is larger than the sum of its proper divisors (1).

135112139 is an equidigital number, since it uses as much as digits as its factorization.

135112139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 26.

The square root of 135112139 is about 11623.7747311276. The cubic root of 135112139 is about 513.1347854273.

The spelling of 135112139 in words is "one hundred thirty-five million, one hundred twelve thousand, one hundred thirty-nine".