140785067 has 2 divisors, whose sum is σ = 140785068. Its totient is φ = 140785066.

The previous prime is 140785019. The next prime is 140785097. The reversal of 140785067 is 760587041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140785067 - 2⁸ = 140784811 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140785067.

It is not a weakly prime, because it can be changed into another prime (140785097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70392533 + 70392534.

It is an arithmetic number, because the mean of its divisors is an integer number (70392534).

Almost surely, 2^140785067 is an apocalyptic number.

140785067 is a deficient number, since it is larger than the sum of its proper divisors (1).

140785067 is an equidigital number, since it uses as much as digits as its factorization.

140785067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 140785067 is about 11865.2883235090. The cubic root of 140785067 is about 520.2181862986.

The spelling of 140785067 in words is "one hundred forty million, seven hundred eighty-five thousand, sixty-seven".