131289567 has 8 divisors (see below), whose sum is σ = 175167360. Its totient is φ = 87469080.

The previous prime is 131289541. The next prime is 131289569. The reversal of 131289567 is 765982131.

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

It is not a de Polignac number, because 131289567 - 2⁷ = 131289439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131289569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8659 + ... + 18372.

It is an arithmetic number, because the mean of its divisors is an integer number (21895920).

Almost surely, 2^131289567 is an apocalyptic number.

131289567 is a deficient number, since it is larger than the sum of its proper divisors (43877793).

131289567 is a wasteful number, since it uses less digits than its factorization.

131289567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28653.

The product of its digits is 90720, while the sum is 42.

The square root of 131289567 is about 11458.1659527169. The cubic root of 131289567 is about 508.2492409016.

The spelling of 131289567 in words is "one hundred thirty-one million, two hundred eighty-nine thousand, five hundred sixty-seven".