271989151 has 12 divisors (see below), whose sum is σ = 316676952. Its totient is φ = 232926288.

The previous prime is 271989149. The next prime is 271989181. The reversal of 271989151 is 151989172.

It is not a de Polignac number, because 271989151 - 2¹ = 271989149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 271989098 and 271989107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271989131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83316 + ... + 86518.

It is an arithmetic number, because the mean of its divisors is an integer number (26389746).

Almost surely, 2^271989151 is an apocalyptic number.

271989151 is a deficient number, since it is larger than the sum of its proper divisors (44687801).

271989151 is a wasteful number, since it uses less digits than its factorization.

271989151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950 (or 4943 counting only the distinct ones).

The product of its digits is 45360, while the sum is 43.

The square root of 271989151 is about 16492.0935905664. The cubic root of 271989151 is about 647.9137457909.

The spelling of 271989151 in words is "two hundred seventy-one million, nine hundred eighty-nine thousand, one hundred fifty-one".