271128740 has 12 divisors (see below), whose sum is σ = 569370396. Its totient is φ = 108451488.

The previous prime is 271128719. The next prime is 271128749. The reversal of 271128740 is 47821172.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27269284 + 243859456 = 5222^2 + 15616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 271128697 and 271128706.

It is not an unprimeable number, because it can be changed into a prime (271128749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6778199 + ... + 6778238.

It is an arithmetic number, because the mean of its divisors is an integer number (47447533).

Almost surely, 2^271128740 is an apocalyptic number.

271128740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271128740 is an abundant number, since it is smaller than the sum of its proper divisors (298241656).

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

271128740 is a wasteful number, since it uses less digits than its factorization.

271128740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556446 (or 13556444 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 271128740 is about 16465.9873679048. The cubic root of 271128740 is about 647.2298202455.

The spelling of 271128740 in words is "two hundred seventy-one million, one hundred twenty-eight thousand, seven hundred forty".