275133828 has 12 divisors (see below), whose sum is σ = 641978960. Its totient is φ = 91711272.

The previous prime is 275133811. The next prime is 275133847. The reversal of 275133828 is 828331572.

275133828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11463898 + ... + 11463921.

Almost surely, 2^275133828 is an apocalyptic number.

It is an amenable number.

275133828 is an abundant number, since it is smaller than the sum of its proper divisors (366845132).

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

275133828 is a wasteful number, since it uses less digits than its factorization.

275133828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22927826 (or 22927824 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 275133828 is about 16587.1585270052. The cubic root of 275133828 is about 650.4011945319.

The spelling of 275133828 in words is "two hundred seventy-five million, one hundred thirty-three thousand, eight hundred twenty-eight".