140683307 has 2 divisors, whose sum is σ = 140683308. Its totient is φ = 140683306.

The previous prime is 140683289. The next prime is 140683327. The reversal of 140683307 is 703386041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140683307 - 2⁶ = 140683243 is a prime.

It is not a weakly prime, because it can be changed into another prime (140683327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70341653 + 70341654.

It is an arithmetic number, because the mean of its divisors is an integer number (70341654).

Almost surely, 2^140683307 is an apocalyptic number.

140683307 is a deficient number, since it is larger than the sum of its proper divisors (1).

140683307 is an equidigital number, since it uses as much as digits as its factorization.

140683307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 140683307 is about 11860.9994098305. Note that the first 3 decimals coincide. The cubic root of 140683307 is about 520.0928175045.

The spelling of 140683307 in words is "one hundred forty million, six hundred eighty-three thousand, three hundred seven".