140420204121322 has 4 divisors (see below), whose sum is σ = 210630306181986. Its totient is φ = 70210102060660.

The previous prime is 140420204121287. The next prime is 140420204121371. The reversal of 140420204121322 is 223121402024041.

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., 108535536605521 + 31884667515801 = 10418039^2 + 5646651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35105051030329 + ... + 35105051030332.

Almost surely, 2^{140420204121322} is an apocalyptic number.

140420204121322 is a deficient number, since it is larger than the sum of its proper divisors (70210102060664).

140420204121322 is an equidigital number, since it uses as much as digits as its factorization.

140420204121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70210102060663.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 140420204121322 its reverse (223121402024041), we get a palindrome (363541606145363).

The spelling of 140420204121322 in words is "one hundred forty trillion, four hundred twenty billion, two hundred four million, one hundred twenty-one thousand, three hundred twenty-two".