271145690 has 8 divisors (see below), whose sum is σ = 488062260. Its totient is φ = 108458272.

The previous prime is 271145687. The next prime is 271145729. The reversal of 271145690 is 96541172.

It can be written as a sum of positive squares in 2 ways, for example, as 270898681 + 247009 = 16459^2 + 497^2 .

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

It is a super-2 number, since 2×271145690² = 147039970411152200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 271145690.

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, 13557275 + ... + 13557294.

Almost surely, 2^271145690 is an apocalyptic number.

271145690 is a deficient number, since it is larger than the sum of its proper divisors (216916570).

271145690 is a wasteful number, since it uses less digits than its factorization.

271145690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27114576.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 271145690 is about 16466.5020572069. The cubic root of 271145690 is about 647.2433074629.

The spelling of 271145690 in words is "two hundred seventy-one million, one hundred forty-five thousand, six hundred ninety".