140142422 has 16 divisors (see below), whose sum is σ = 240559872. Its totient is φ = 59982120.

The previous prime is 140142403. The next prime is 140142463. The reversal of 140142422 is 224241041.

140142422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140142394 and 140142403.

It is a congruent 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, 5183 + ... + 17525.

It is an arithmetic number, because the mean of its divisors is an integer number (15034992).

Almost surely, 2^140142422 is an apocalyptic number.

140142422 is a deficient number, since it is larger than the sum of its proper divisors (100417450).

140142422 is a wasteful number, since it uses less digits than its factorization.

140142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13163.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 140142422 is about 11838.1764643040. The cubic root of 140142422 is about 519.4254279860.

Adding to 140142422 its reverse (224241041), we get a palindrome (364383463).

The spelling of 140142422 in words is "one hundred forty million, one hundred forty-two thousand, four hundred twenty-two".