140320267 has 2 divisors, whose sum is σ = 140320268. Its totient is φ = 140320266.

The previous prime is 140320237. The next prime is 140320331. The reversal of 140320267 is 762023041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140320267 - 2⁷ = 140320139 is a prime.

It is not a weakly prime, because it can be changed into another prime (140320237) 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, 70160133 + 70160134.

It is an arithmetic number, because the mean of its divisors is an integer number (70160134).

Almost surely, 2^140320267 is an apocalyptic number.

140320267 is a deficient number, since it is larger than the sum of its proper divisors (1).

140320267 is an equidigital number, since it uses as much as digits as its factorization.

140320267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 140320267 is about 11845.6855859000. The cubic root of 140320267 is about 519.6450573338.

The spelling of 140320267 in words is "one hundred forty million, three hundred twenty thousand, two hundred sixty-seven".