140303122 has 4 divisors (see below), whose sum is σ = 210454686. Its totient is φ = 70151560.

The previous prime is 140303099. The next prime is 140303129. The reversal of 140303122 is 221303041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 138086001 + 2217121 = 11751^2 + 1489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140303096 and 140303105.

It is not an unprimeable number, because it can be changed into a prime (140303129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35075779 + ... + 35075782.

Almost surely, 2^140303122 is an apocalyptic number.

140303122 is a deficient number, since it is larger than the sum of its proper divisors (70151564).

140303122 is an equidigital number, since it uses as much as digits as its factorization.

140303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70151563.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140303122 is about 11844.9618825896. The cubic root of 140303122 is about 519.6238922340.

Adding to 140303122 its reverse (221303041), we get a palindrome (361606163).

The spelling of 140303122 in words is "one hundred forty million, three hundred three thousand, one hundred twenty-two".