135908771 has 8 divisors (see below), whose sum is σ = 142007040. Its totient is φ = 129826312.

The previous prime is 135908749. The next prime is 135908791. The reversal of 135908771 is 177809531.

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 135908771 - 2¹⁰ = 135907747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135908791) 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, 15776 + ... + 22818.

It is an arithmetic number, because the mean of its divisors is an integer number (17750880).

Almost surely, 2^135908771 is an apocalyptic number.

135908771 is a deficient number, since it is larger than the sum of its proper divisors (6098269).

135908771 is an equidigital number, since it uses as much as digits as its factorization.

135908771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 135908771 is about 11657.9917224194. The cubic root of 135908771 is about 514.1413044459.

The spelling of 135908771 in words is "one hundred thirty-five million, nine hundred eight thousand, seven hundred seventy-one".