131859289 has 3 divisors (see below), whose sum is σ = 131870773. Its totient is φ = 131847806.

The previous prime is 131859281. The next prime is 131859313. The reversal of 131859289 is 982958131.

The square root of 131859289 is 11483.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 982958131 = 733 ⋅1341007.

It is not a de Polignac number, because 131859289 - 2³ = 131859281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131859281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5742 + ... + 17224.

Almost surely, 2^131859289 is an apocalyptic number.

131859289 is the 11483-rd square number.

131859289 is the 5742-nd centered octagonal number.

It is an amenable number.

131859289 is a deficient number, since it is larger than the sum of its proper divisors (11484).

131859289 is an frugal number, since it uses more digits than its factorization.

131859289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22966 (or 11483 counting only the distinct ones).

The product of its digits is 155520, while the sum is 46.

The cubic root of 131859289 is about 508.9833508655.

The spelling of 131859289 in words is "one hundred thirty-one million, eight hundred fifty-nine thousand, two hundred eighty-nine".