131065783 has 2 divisors, whose sum is σ = 131065784. Its totient is φ = 131065782.

The previous prime is 131065777. The next prime is 131065789. The reversal of 131065783 is 387560131.

It is a balanced prime because it is at equal distance from previous prime (131065777) and next prime (131065789).

It is a cyclic number.

It is not a de Polignac number, because 131065783 - 2¹⁷ = 130934711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131065789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65532891 + 65532892.

It is an arithmetic number, because the mean of its divisors is an integer number (65532892).

Almost surely, 2^131065783 is an apocalyptic number.

131065783 is a deficient number, since it is larger than the sum of its proper divisors (1).

131065783 is an equidigital number, since it uses as much as digits as its factorization.

131065783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 131065783 is about 11448.3965252781. The cubic root of 131065783 is about 507.9603051940.

The spelling of 131065783 in words is "one hundred thirty-one million, sixty-five thousand, seven hundred eighty-three".