140434012 has 6 divisors (see below), whose sum is σ = 245759528. Its totient is φ = 70217004.

The previous prime is 140433989. The next prime is 140434013. The reversal of 140434012 is 210434041.

It is a super-2 number, since 2×140434012² = 39443423452832288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17554248 + ... + 17554255.

Almost surely, 2^140434012 is an apocalyptic number.

It is an amenable number.

140434012 is a deficient number, since it is larger than the sum of its proper divisors (105325516).

140434012 is a wasteful number, since it uses less digits than its factorization.

140434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35108507 (or 35108505 counting only the distinct ones).

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

The square root of 140434012 is about 11850.4857284417. The cubic root of 140434012 is about 519.7854292240.

Adding to 140434012 its reverse (210434041), we get a palindrome (350868053).

The spelling of 140434012 in words is "one hundred forty million, four hundred thirty-four thousand, twelve".