140212304 has 20 divisors (see below), whose sum is σ = 273396564. Its totient is φ = 69658368.

The previous prime is 140212283. The next prime is 140212337. The reversal of 140212304 is 403212041.

140212304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 102414400 + 37797904 = 10120^2 + 6148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25397 + ... + 30420.

Almost surely, 2^140212304 is an apocalyptic number.

It is an amenable number.

140212304 is a deficient number, since it is larger than the sum of its proper divisors (133184260).

140212304 is a wasteful number, since it uses less digits than its factorization.

140212304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55982 (or 55976 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140212304 is about 11841.1276490037. The cubic root of 140212304 is about 519.5117507793.

Adding to 140212304 its reverse (403212041), we get a palindrome (543424345).

The spelling of 140212304 in words is "one hundred forty million, two hundred twelve thousand, three hundred four".