135838727 has 2 divisors, whose sum is σ = 135838728. Its totient is φ = 135838726.

The previous prime is 135838693. The next prime is 135838741. The reversal of 135838727 is 727838531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135838727 - 2⁶ = 135838663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135838777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67919363 + 67919364.

It is an arithmetic number, because the mean of its divisors is an integer number (67919364).

Almost surely, 2^135838727 is an apocalyptic number.

135838727 is a deficient number, since it is larger than the sum of its proper divisors (1).

135838727 is an equidigital number, since it uses as much as digits as its factorization.

135838727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The square root of 135838727 is about 11654.9872157802. The cubic root of 135838727 is about 514.0529640548.

The spelling of 135838727 in words is "one hundred thirty-five million, eight hundred thirty-eight thousand, seven hundred twenty-seven".