275132860 has 48 divisors (see below), whose sum is σ = 600112800. Its totient is φ = 105830144.

The previous prime is 275132833. The next prime is 275132861. The reversal of 275132860 is 68231572.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275132861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169131 + ... + 170749.

It is an arithmetic number, because the mean of its divisors is an integer number (12502350).

Almost surely, 2^275132860 is an apocalyptic number.

275132860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275132860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300056400).

275132860 is an abundant number, since it is smaller than the sum of its proper divisors (324979940).

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

275132860 is a wasteful number, since it uses less digits than its factorization.

275132860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 275132860 is about 16587.1293477805. The cubic root of 275132860 is about 650.4004317648.

The spelling of 275132860 in words is "two hundred seventy-five million, one hundred thirty-two thousand, eight hundred sixty".