271289090 has 8 divisors (see below), whose sum is σ = 488320380. Its totient is φ = 108515632.

The previous prime is 271289063. The next prime is 271289093. The reversal of 271289090 is 90982172.

It can be written as a sum of positive squares in 2 ways, for example, as 255136729 + 16152361 = 15973^2 + 4019^2 .

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

It is not an unprimeable number, because it can be changed into a prime (271289093) 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, 13564445 + ... + 13564464.

Almost surely, 2^271289090 is an apocalyptic number.

271289090 is a deficient number, since it is larger than the sum of its proper divisors (217031290).

271289090 is a wasteful number, since it uses less digits than its factorization.

271289090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27128916.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 271289090 is about 16470.8557761884. The cubic root of 271289090 is about 647.3573892233.

The spelling of 271289090 in words is "two hundred seventy-one million, two hundred eighty-nine thousand, ninety".