140122226605 has 8 divisors (see below), whose sum is σ = 168327675000. Its totient is φ = 111977112576.

The previous prime is 140122226599. The next prime is 140122226617. The reversal of 140122226605 is 506622221041.

It can be written as a sum of positive squares in 4 ways, for example, as 3841644361 + 136280582244 = 61981^2 + 369162^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140122226605 - 2⁹ = 140122226093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15078480 + ... + 15087769.

It is an arithmetic number, because the mean of its divisors is an integer number (21040959375).

Almost surely, 2^140122226605 is an apocalyptic number.

It is an amenable number.

140122226605 is a deficient number, since it is larger than the sum of its proper divisors (28205448395).

140122226605 is an equidigital number, since it uses as much as digits as its factorization.

140122226605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30167183.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 140122226605 its reverse (506622221041), we get a palindrome (646744447646).

The spelling of 140122226605 in words is "one hundred forty billion, one hundred twenty-two million, two hundred twenty-six thousand, six hundred five".