140432312 has 16 divisors (see below), whose sum is σ = 264003840. Its totient is φ = 70031296.

The previous prime is 140432293. The next prime is 140432317. The reversal of 140432312 is 213234041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140432317) 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, 19853 + ... + 25980.

It is an arithmetic number, because the mean of its divisors is an integer number (16500240).

Almost surely, 2^140432312 is an apocalyptic number.

It is an amenable number.

140432312 is a deficient number, since it is larger than the sum of its proper divisors (123571528).

140432312 is a wasteful number, since it uses less digits than its factorization.

140432312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46222 (or 46218 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140432312 is about 11850.4140012069. The cubic root of 140432312 is about 519.7833318242.

Adding to 140432312 its reverse (213234041), we get a palindrome (353666353).

The spelling of 140432312 in words is "one hundred forty million, four hundred thirty-two thousand, three hundred twelve".