140323012 has 24 divisors (see below), whose sum is σ = 255540096. Its totient is φ = 67368288.

The previous prime is 140322953. The next prime is 140323021. The reversal of 140323012 is 210323041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923 + ... + 17005.

It is an arithmetic number, because the mean of its divisors is an integer number (10647504).

Almost surely, 2^140323012 is an apocalyptic number.

It is an amenable number.

140323012 is a deficient number, since it is larger than the sum of its proper divisors (115217084).

140323012 is a wasteful number, since it uses less digits than its factorization.

140323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14187 (or 14185 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140323012 is about 11845.8014503030. The cubic root of 140323012 is about 519.6484458118.

Adding to 140323012 its reverse (210323041), we get a palindrome (350646053).

The spelling of 140323012 in words is "one hundred forty million, three hundred twenty-three thousand, twelve".