135185339 has 2 divisors, whose sum is σ = 135185340. Its totient is φ = 135185338.

The previous prime is 135185299. The next prime is 135185357. The reversal of 135185339 is 933581531.

135185339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (933581531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135185339 - 2¹² = 135181243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (135185359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67592669 + 67592670.

It is an arithmetic number, because the mean of its divisors is an integer number (67592670).

Almost surely, 2^135185339 is an apocalyptic number.

135185339 is a deficient number, since it is larger than the sum of its proper divisors (1).

135185339 is an equidigital number, since it uses as much as digits as its factorization.

135185339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 135185339 is about 11626.9230237411. The cubic root of 135185339 is about 513.2274360837.

The spelling of 135185339 in words is "one hundred thirty-five million, one hundred eighty-five thousand, three hundred thirty-nine".