131886067 has 2 divisors, whose sum is σ = 131886068. Its totient is φ = 131886066.

The previous prime is 131886061. The next prime is 131886077. The reversal of 131886067 is 760688131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131886067 is a prime.

It is not a weakly prime, because it can be changed into another prime (131886061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65943033 + 65943034.

It is an arithmetic number, because the mean of its divisors is an integer number (65943034).

Almost surely, 2^131886067 is an apocalyptic number.

131886067 is a deficient number, since it is larger than the sum of its proper divisors (1).

131886067 is an equidigital number, since it uses as much as digits as its factorization.

131886067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 131886067 is about 11484.1659253078. The cubic root of 131886067 is about 509.0178033331.

The spelling of 131886067 in words is "one hundred thirty-one million, eight hundred eighty-six thousand, sixty-seven".