140251232442 has 16 divisors (see below), whose sum is σ = 280506284352. Its totient is φ = 46749774240.

The previous prime is 140251232417. The next prime is 140251232531. The reversal of 140251232442 is 244232152041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588142 + ... + 791462.

It is an arithmetic number, because the mean of its divisors is an integer number (17531642772).

Almost surely, 2^140251232442 is an apocalyptic number.

140251232442 is an abundant number, since it is smaller than the sum of its proper divisors (140255051910).

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

140251232442 is a wasteful number, since it uses less digits than its factorization.

140251232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318293.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 140251232442 its reverse (244232152041), we get a palindrome (384483384483).

The spelling of 140251232442 in words is "one hundred forty billion, two hundred fifty-one million, two hundred thirty-two thousand, four hundred forty-two".