140330213 has 4 divisors (see below), whose sum is σ = 141401568. Its totient is φ = 139258860.

The previous prime is 140330173. The next prime is 140330221. The reversal of 140330213 is 312033041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312033041 = 103 ⋅3029447.

It is a cyclic number.

It is not a de Polignac number, because 140330213 - 2⁸ = 140329957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140330191 and 140330200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140330263) 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 in 3 ways as a sum of consecutive naturals, for example, 535481 + ... + 535742.

It is an arithmetic number, because the mean of its divisors is an integer number (35350392).

Almost surely, 2^140330213 is an apocalyptic number.

It is an amenable number.

140330213 is a deficient number, since it is larger than the sum of its proper divisors (1071355).

140330213 is a wasteful number, since it uses less digits than its factorization.

140330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071354.

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

The square root of 140330213 is about 11846.1053937571. The cubic root of 140330213 is about 519.6573346471.

Adding to 140330213 its reverse (312033041), we get a palindrome (452363254).

The spelling of 140330213 in words is "one hundred forty million, three hundred thirty thousand, two hundred thirteen".