140032313 has 2 divisors, whose sum is σ = 140032314. Its totient is φ = 140032312.

The previous prime is 140032283. The next prime is 140032367. The reversal of 140032313 is 313230041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138956944 + 1075369 = 11788^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 140032313 - 2¹⁶ = 139966777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140032291 and 140032300.

It is not a weakly prime, because it can be changed into another prime (140032513) 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, 70016156 + 70016157.

It is an arithmetic number, because the mean of its divisors is an integer number (70016157).

Almost surely, 2^140032313 is an apocalyptic number.

It is an amenable number.

140032313 is a deficient number, since it is larger than the sum of its proper divisors (1).

140032313 is an equidigital number, since it uses as much as digits as its factorization.

140032313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 140032313 is about 11833.5249608897. The cubic root of 140032313 is about 519.2893559363.

Adding to 140032313 its reverse (313230041), we get a palindrome (453262354).

The spelling of 140032313 in words is "one hundred forty million, thirty-two thousand, three hundred thirteen".