140305322 has 8 divisors (see below), whose sum is σ = 210598500. Its totient is φ = 70105824.

The previous prime is 140305309. The next prime is 140305339. The reversal of 140305322 is 223503041.

It is a happy number.

140305322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138980521 + 1324801 = 11789^2 + 1151^2 .

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 = 140305294 and 140305303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19547 + ... + 25742.

Almost surely, 2^140305322 is an apocalyptic number.

140305322 is a deficient number, since it is larger than the sum of its proper divisors (70293178).

140305322 is a wasteful number, since it uses less digits than its factorization.

140305322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46840.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 140305322 is about 11845.0547487126. The cubic root of 140305322 is about 519.6266081787.

Adding to 140305322 its reverse (223503041), we get a palindrome (363808363).

The spelling of 140305322 in words is "one hundred forty million, three hundred five thousand, three hundred twenty-two".