140432212 has 12 divisors (see below), whose sum is σ = 245940660. Its totient is φ = 70163456.

The previous prime is 140432209. The next prime is 140432251. The reversal of 140432212 is 212234041.

140432212 is digitally balanced in base 2, 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 37896336 + 102535876 = 6156^2 + 10126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140432212.

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, 6823 + ... + 18094.

It is an arithmetic number, because the mean of its divisors is an integer number (20495055).

Almost surely, 2^140432212 is an apocalyptic number.

It is an amenable number.

140432212 is a deficient number, since it is larger than the sum of its proper divisors (105508448).

140432212 is a wasteful number, since it uses less digits than its factorization.

140432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26330 (or 26328 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140432212 is about 11850.4097819443. The cubic root of 140432212 is about 519.7832084472.

Adding to 140432212 its reverse (212234041), we get a palindrome (352666253).

The spelling of 140432212 in words is "one hundred forty million, four hundred thirty-two thousand, two hundred twelve".