131905183 has 2 divisors, whose sum is σ = 131905184. Its totient is φ = 131905182.

The previous prime is 131905153. The next prime is 131905229. The reversal of 131905183 is 381509131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131905183 - 2⁹ = 131904671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131905133) 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, 65952591 + 65952592.

It is an arithmetic number, because the mean of its divisors is an integer number (65952592).

Almost surely, 2^131905183 is an apocalyptic number.

131905183 is a deficient number, since it is larger than the sum of its proper divisors (1).

131905183 is an equidigital number, since it uses as much as digits as its factorization.

131905183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 131905183 is about 11484.9981715279. The cubic root of 131905183 is about 509.0423950494.

The spelling of 131905183 in words is "one hundred thirty-one million, nine hundred five thousand, one hundred eighty-three".