135436727 has 2 divisors, whose sum is σ = 135436728. Its totient is φ = 135436726.

The previous prime is 135436711. The next prime is 135436733. The reversal of 135436727 is 727634531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135436727 - 2⁴ = 135436711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135436747) 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, 67718363 + 67718364.

It is an arithmetic number, because the mean of its divisors is an integer number (67718364).

Almost surely, 2^135436727 is an apocalyptic number.

135436727 is a deficient number, since it is larger than the sum of its proper divisors (1).

135436727 is an equidigital number, since it uses as much as digits as its factorization.

135436727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 135436727 is about 11637.7286014067. The cubic root of 135436727 is about 513.5453683099.

The spelling of 135436727 in words is "one hundred thirty-five million, four hundred thirty-six thousand, seven hundred twenty-seven".