271816138 has 8 divisors (see below), whose sum is σ = 444790080. Its totient is φ = 123552780.

The previous prime is 271816117. The next prime is 271816163. The reversal of 271816138 is 831618172.

271816138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×271816138³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 271816097 and 271816106.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6177618 + ... + 6177661.

It is an arithmetic number, because the mean of its divisors is an integer number (55598760).

Almost surely, 2^271816138 is an apocalyptic number.

271816138 is a deficient number, since it is larger than the sum of its proper divisors (172973942).

271816138 is a wasteful number, since it uses less digits than its factorization.

271816138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355292.

The product of its digits is 16128, while the sum is 37.

The square root of 271816138 is about 16486.8474245381. The cubic root of 271816138 is about 647.7763367834.

The spelling of 271816138 in words is "two hundred seventy-one million, eight hundred sixteen thousand, one hundred thirty-eight".