140251042252 has 6 divisors (see below), whose sum is σ = 245439323948. Its totient is φ = 70125521124.

The previous prime is 140251042249. The next prime is 140251042259. The reversal of 140251042252 is 252240152041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140251042252.

It is not an unprimeable number, because it can be changed into a prime (140251042259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17531380278 + ... + 17531380285.

Almost surely, 2^140251042252 is an apocalyptic number.

It is an amenable number.

140251042252 is a deficient number, since it is larger than the sum of its proper divisors (105188281696).

140251042252 is a wasteful number, since it uses less digits than its factorization.

140251042252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35062760567 (or 35062760565 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 140251042252 its reverse (252240152041), we get a palindrome (392491194293).

The spelling of 140251042252 in words is "one hundred forty billion, two hundred fifty-one million, forty-two thousand, two hundred fifty-two".