131875571 has 2 divisors, whose sum is σ = 131875572. Its totient is φ = 131875570.

The previous prime is 131875531. The next prime is 131875573. The reversal of 131875571 is 175578131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131875571 - 2¹⁴ = 131859187 is a prime.

Together with 131875573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131875573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65937785 + 65937786.

It is an arithmetic number, because the mean of its divisors is an integer number (65937786).

Almost surely, 2^131875571 is an apocalyptic number.

131875571 is a deficient number, since it is larger than the sum of its proper divisors (1).

131875571 is an equidigital number, since it uses as much as digits as its factorization.

131875571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 38.

The square root of 131875571 is about 11483.7089391886. The cubic root of 131875571 is about 509.0042997772.

The spelling of 131875571 in words is "one hundred thirty-one million, eight hundred seventy-five thousand, five hundred seventy-one".