135726727 has 8 divisors (see below), whose sum is σ = 138297600. Its totient is φ = 133164984.

The previous prime is 135726719. The next prime is 135726733. The reversal of 135726727 is 727627531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135726727 - 2³ = 135726719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135726727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135726707) 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 in 7 ways as a sum of consecutive naturals, for example, 32674 + ... + 36592.

It is an arithmetic number, because the mean of its divisors is an integer number (17287200).

Almost surely, 2^135726727 is an apocalyptic number.

135726727 is a deficient number, since it is larger than the sum of its proper divisors (2570873).

135726727 is an equidigital number, since it uses as much as digits as its factorization.

135726727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565.

The product of its digits is 123480, while the sum is 40.

The square root of 135726727 is about 11650.1814148965. The cubic root of 135726727 is about 513.9116450955.

The spelling of 135726727 in words is "one hundred thirty-five million, seven hundred twenty-six thousand, seven hundred twenty-seven".