140306833 has 2 divisors, whose sum is σ = 140306834. Its totient is φ = 140306832.

The previous prime is 140306827. The next prime is 140306839. The reversal of 140306833 is 338603041.

It is a balanced prime because it is at equal distance from previous prime (140306827) and next prime (140306839).

It can be written as a sum of positive squares in only one way, i.e., 139428864 + 877969 = 11808^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 140306833 - 2⁵ = 140306801 is a prime.

It is not a weakly prime, because it can be changed into another prime (140306839) 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, 70153416 + 70153417.

It is an arithmetic number, because the mean of its divisors is an integer number (70153417).

Almost surely, 2^140306833 is an apocalyptic number.

It is an amenable number.

140306833 is a deficient number, since it is larger than the sum of its proper divisors (1).

140306833 is an equidigital number, since it uses as much as digits as its factorization.

140306833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 140306833 is about 11845.1185304327. The cubic root of 140306833 is about 519.6284735225.

Adding to 140306833 its reverse (338603041), we get a palindrome (478909874).

The spelling of 140306833 in words is "one hundred forty million, three hundred six thousand, eight hundred thirty-three".