140226643621 has 8 divisors (see below), whose sum is σ = 141522270560. Its totient is φ = 138931183152.

The previous prime is 140226643603. The next prime is 140226643679. The reversal of 140226643621 is 126346622041.

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 140226643621 - 2⁵ = 140226643589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140226643321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210086 + ... + 2272648.

It is an arithmetic number, because the mean of its divisors is an integer number (17690283820).

Almost surely, 2^140226643621 is an apocalyptic number.

It is an amenable number.

140226643621 is a deficient number, since it is larger than the sum of its proper divisors (1295626939).

140226643621 is a wasteful number, since it uses less digits than its factorization.

140226643621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83235.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 140226643621 in words is "one hundred forty billion, two hundred twenty-six million, six hundred forty-three thousand, six hundred twenty-one".