140430213 has 32 divisors (see below), whose sum is σ = 259384320. Its totient is φ = 72949680.

The previous prime is 140430211. The next prime is 140430229. The reversal of 140430213 is 312034041.

140430213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140430213 - 2¹ = 140430211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140430211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31695 + ... + 35852.

It is an arithmetic number, because the mean of its divisors is an integer number (8105760).

Almost surely, 2^140430213 is an apocalyptic number.

It is an amenable number.

140430213 is a deficient number, since it is larger than the sum of its proper divisors (118954107).

140430213 is a wasteful number, since it uses less digits than its factorization.

140430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67574 (or 67568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140430213 is about 11850.3254385692. The cubic root of 140430213 is about 519.7807421290.

Adding to 140430213 its reverse (312034041), we get a palindrome (452464254).

The spelling of 140430213 in words is "one hundred forty million, four hundred thirty thousand, two hundred thirteen".