140304220442 has 8 divisors (see below), whose sum is σ = 210470733396. Its totient is φ = 70147309312.

The previous prime is 140304220423. The next prime is 140304220457. The reversal of 140304220442 is 244022403041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140288451601 + 15768841 = 374551^2 + 3971^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2363813 + ... + 2422440.

Almost surely, 2^140304220442 is an apocalyptic number.

140304220442 is a deficient number, since it is larger than the sum of its proper divisors (70166512954).

140304220442 is a wasteful number, since it uses less digits than its factorization.

140304220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800912.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 140304220442 its reverse (244022403041), we get a palindrome (384326623483).

The spelling of 140304220442 in words is "one hundred forty billion, three hundred four million, two hundred twenty thousand, four hundred forty-two".