135771508 has 12 divisors (see below), whose sum is σ = 241627680. Its totient is φ = 66735032.

The previous prime is 135771491. The next prime is 135771529. The reversal of 135771508 is 805177531.

135771508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287416 + ... + 287887.

It is an arithmetic number, because the mean of its divisors is an integer number (20135640).

Almost surely, 2^135771508 is an apocalyptic number.

It is an amenable number.

135771508 is a deficient number, since it is larger than the sum of its proper divisors (105856172).

135771508 is a wasteful number, since it uses less digits than its factorization.

135771508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575366 (or 575364 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 135771508 is about 11652.1031577995. The cubic root of 135771508 is about 513.9681580299.

The spelling of 135771508 in words is "one hundred thirty-five million, seven hundred seventy-one thousand, five hundred eight".