135284872 has 16 divisors (see below), whose sum is σ = 253794060. Its totient is φ = 67606464.

The previous prime is 135284869. The next prime is 135284881. The reversal of 135284872 is 278482531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123076836 + 12208036 = 11094^2 + 3494^2 .

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, 18258 + ... + 24574.

Almost surely, 2^135284872 is an apocalyptic number.

It is an amenable number.

135284872 is a deficient number, since it is larger than the sum of its proper divisors (118509188).

135284872 is a wasteful number, since it uses less digits than its factorization.

135284872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000 (or 8996 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 135284872 is about 11631.2025173668. The cubic root of 135284872 is about 513.3533632858.

It can be divided in two parts, 1352 and 84872, that multiplied together give a square (114746944 = 10712²).

The spelling of 135284872 in words is "one hundred thirty-five million, two hundred eighty-four thousand, eight hundred seventy-two".