140304422 has 8 divisors (see below), whose sum is σ = 210517272. Its totient is φ = 70132000.

The previous prime is 140304421. The next prime is 140304431. The reversal of 140304422 is 224403041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140304394 and 140304403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140304421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 16782.

It is an arithmetic number, because the mean of its divisors is an integer number (26314659).

Almost surely, 2^140304422 is an apocalyptic number.

140304422 is a deficient number, since it is larger than the sum of its proper divisors (70212850).

140304422 is a wasteful number, since it uses less digits than its factorization.

140304422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20214.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140304422 is about 11845.0167581139. The cubic root of 140304422 is about 519.6254971139.

Adding to 140304422 its reverse (224403041), we get a palindrome (364707463).

The spelling of 140304422 in words is "one hundred forty million, three hundred four thousand, four hundred twenty-two".