140622907553209 has 9 divisors (see below), whose sum is σ = 142426425301797. Its totient is φ = 138841945789404.

The previous prime is 140622907553179. The next prime is 140622907553221. The reversal of 140622907553209 is 902355709226041.

The square root of 140622907553209 is 11858453.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 140622907553209 - 2⁷ = 140622907553081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140622907553209.

It is not an unprimeable number, because it can be changed into a prime (140622907553299) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 936742734 + ... + 936892840.

Almost surely, 2^{140622907553209} is an apocalyptic number.

140622907553209 is the 11858453-rd square number.

140622907553209 is the 5929227-th centered octagonal number.

It is an amenable number.

140622907553209 is a deficient number, since it is larger than the sum of its proper divisors (1803517748588).

140622907553209 is an frugal number, since it uses more digits than its factorization.

140622907553209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300372 (or 150186 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 140622907553209 in words is "one hundred forty trillion, six hundred twenty-two billion, nine hundred seven million, five hundred fifty-three thousand, two hundred nine".