140212432 has 10 divisors (see below), whose sum is σ = 271661618. Its totient is φ = 70106208.

The previous prime is 140212417. The next prime is 140212483. The reversal of 140212432 is 234212041.

140212432 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 only one way, i.e., 133263936 + 6948496 = 11544^2 + 2636^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4381623 + ... + 4381654.

Almost surely, 2^140212432 is an apocalyptic number.

It is an amenable number.

140212432 is a deficient number, since it is larger than the sum of its proper divisors (131449186).

140212432 is an equidigital number, since it uses as much as digits as its factorization.

140212432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763285 (or 8763279 counting only the distinct ones).

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

The square root of 140212432 is about 11841.1330538931. The cubic root of 140212432 is about 519.5119088670.

Adding to 140212432 its reverse (234212041), we get a palindrome (374424473).

The spelling of 140212432 in words is "one hundred forty million, two hundred twelve thousand, four hundred thirty-two".