135766811 has 8 divisors (see below), whose sum is σ = 144509184. Its totient is φ = 127108480.

The previous prime is 135766789. The next prime is 135766823. The reversal of 135766811 is 118667531.

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 135766811 - 2⁶ = 135766747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135766831) 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 in 7 ways as a sum of consecutive naturals, for example, 17660 + ... + 24153.

It is an arithmetic number, because the mean of its divisors is an integer number (18063648).

Almost surely, 2^135766811 is an apocalyptic number.

135766811 is a deficient number, since it is larger than the sum of its proper divisors (8742373).

135766811 is a wasteful number, since it uses less digits than its factorization.

135766811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42021.

The product of its digits is 30240, while the sum is 38.

The square root of 135766811 is about 11651.9016044592. The cubic root of 135766811 is about 513.9622310714.

The spelling of 135766811 in words is "one hundred thirty-five million, seven hundred sixty-six thousand, eight hundred eleven".