131065567 has 4 divisors (see below), whose sum is σ = 131123896. Its totient is φ = 131007240.

The previous prime is 131065547. The next prime is 131065603. The reversal of 131065567 is 765560131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131065567 - 2²³ = 122676959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131065547) 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, 25653 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (32780974).

Almost surely, 2^131065567 is an apocalyptic number.

131065567 is a deficient number, since it is larger than the sum of its proper divisors (58329).

131065567 is an equidigital number, since it uses as much as digits as its factorization.

131065567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58328.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 131065567 is about 11448.3870916387. The cubic root of 131065567 is about 507.9600261497.

The spelling of 131065567 in words is "one hundred thirty-one million, sixty-five thousand, five hundred sixty-seven".