135772008 has 32 divisors (see below), whose sum is σ = 345837600. Its totient is φ = 44403008.

The previous prime is 135772001. The next prime is 135772009. The reversal of 135772008 is 800277531.

135772008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135772008.

It is not an unprimeable number, because it can be changed into a prime (135772001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52098 + ... + 54641.

It is an arithmetic number, because the mean of its divisors is an integer number (10807425).

Almost surely, 2^135772008 is an apocalyptic number.

It is an amenable number.

135772008 is an abundant number, since it is smaller than the sum of its proper divisors (210065592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135772008 is a wasteful number, since it uses less digits than its factorization.

135772008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106801 (or 106797 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 135772008 is about 11652.1246131339. The cubic root of 135772008 is about 513.9687889520.

The spelling of 135772008 in words is "one hundred thirty-five million, seven hundred seventy-two thousand, eight".