135888272 has 40 divisors (see below), whose sum is σ = 291215736. Its totient is φ = 61019136.

The previous prime is 135888253. The next prime is 135888289. The reversal of 135888272 is 272888531.

It can be written as a sum of positive squares in 4 ways, for example, as 5837056 + 130051216 = 2416^2 + 11404^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133 + ... + 16524.

Almost surely, 2^135888272 is an apocalyptic number.

It is an amenable number.

135888272 is an abundant number, since it is smaller than the sum of its proper divisors (155327464).

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

135888272 is a wasteful number, since it uses less digits than its factorization.

135888272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17715 (or 17709 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 135888272 is about 11657.1125069633. The cubic root of 135888272 is about 514.1154539864.

The spelling of 135888272 in words is "one hundred thirty-five million, eight hundred eighty-eight thousand, two hundred seventy-two".