140140422 has 16 divisors (see below), whose sum is σ = 311423280. Its totient is φ = 46713456.

The previous prime is 140140411. The next prime is 140140463. The reversal of 140140422 is 224041041.

140140422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 140140395 and 140140404.

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, 1297543 + ... + 1297650.

It is an arithmetic number, because the mean of its divisors is an integer number (19463955).

Almost surely, 2^140140422 is an apocalyptic number.

140140422 is an abundant number, since it is smaller than the sum of its proper divisors (171282858).

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

140140422 is a wasteful number, since it uses less digits than its factorization.

140140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595204 (or 2595198 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140140422 is about 11838.0919915331. The cubic root of 140140422 is about 519.4229570335.

Adding to 140140422 its reverse (224041041), we get a palindrome (364181463).

The spelling of 140140422 in words is "one hundred forty million, one hundred forty thousand, four hundred twenty-two".