140212333 has 4 divisors (see below), whose sum is σ = 143632188. Its totient is φ = 136792480.

The previous prime is 140212283. The next prime is 140212337. The reversal of 140212333 is 333212041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333212041 = 2731 ⋅122011.

It can be written as a sum of positive squares in 2 ways, for example, as 15264649 + 124947684 = 3907^2 + 11178^2 .

It is a cyclic number.

It is not a de Polignac number, because 140212333 - 2¹⁷ = 140081261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140212333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140212337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709866 + ... + 1709947.

It is an arithmetic number, because the mean of its divisors is an integer number (35908047).

Almost surely, 2^140212333 is an apocalyptic number.

It is an amenable number.

140212333 is a deficient number, since it is larger than the sum of its proper divisors (3419855).

140212333 is an equidigital number, since it uses as much as digits as its factorization.

140212333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419854.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 140212333 is about 11841.1288735492. The cubic root of 140212333 is about 519.5117865961.

Adding to 140212333 its reverse (333212041), we get a palindrome (473424374).

The spelling of 140212333 in words is "one hundred forty million, two hundred twelve thousand, three hundred thirty-three".