140012312 has 32 divisors (see below), whose sum is σ = 290675520. Its totient is φ = 62689440.

The previous prime is 140012303. The next prime is 140012317. The reversal of 140012312 is 213210041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012317) by changing a digit.

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, 5978 + ... + 17769.

It is an arithmetic number, because the mean of its divisors is an integer number (9083610).

Almost surely, 2^140012312 is an apocalyptic number.

It is an amenable number.

140012312 is an abundant number, since it is smaller than the sum of its proper divisors (150663208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140012312 is a wasteful number, since it uses less digits than its factorization.

140012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23831 (or 23827 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140012312 is about 11832.6798317203. The cubic root of 140012312 is about 519.2646311645.

Adding to 140012312 its reverse (213210041), we get a palindrome (353222353).

The spelling of 140012312 in words is "one hundred forty million, twelve thousand, three hundred twelve".