271142491 has 8 divisors (see below), whose sum is σ = 274800960. Its totient is φ = 267493512.

The previous prime is 271142447. The next prime is 271142497. The reversal of 271142491 is 194241172.

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

It is a cyclic number.

It is not a de Polignac number, because 271142491 - 2⁷ = 271142363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271142497) 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 7 ways as a sum of consecutive naturals, for example, 69396 + ... + 73198.

It is an arithmetic number, because the mean of its divisors is an integer number (34350120).

Almost surely, 2^271142491 is an apocalyptic number.

271142491 is a deficient number, since it is larger than the sum of its proper divisors (3658469).

271142491 is an equidigital number, since it uses as much as digits as its factorization.

271142491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745.

The product of its digits is 4032, while the sum is 31.

The square root of 271142491 is about 16466.4049203219. The cubic root of 271142491 is about 647.2407620423.

The spelling of 271142491 in words is "two hundred seventy-one million, one hundred forty-two thousand, four hundred ninety-one".