140047556221 has 2 divisors, whose sum is σ = 140047556222. Its totient is φ = 140047556220.

The previous prime is 140047556203. The next prime is 140047556237. The reversal of 140047556221 is 122655740041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87429619225 + 52617936996 = 295685^2 + 229386^2 .

It is a cyclic number.

It is not a de Polignac number, because 140047556221 - 2¹⁷ = 140047425149 is a prime.

It is a super-2 number, since 2×140047556221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140047551221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70023778110 + 70023778111.

It is an arithmetic number, because the mean of its divisors is an integer number (70023778111).

Almost surely, 2^140047556221 is an apocalyptic number.

It is an amenable number.

140047556221 is a deficient number, since it is larger than the sum of its proper divisors (1).

140047556221 is an equidigital number, since it uses as much as digits as its factorization.

140047556221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 140047556221 in words is "one hundred forty billion, forty-seven million, five hundred fifty-six thousand, two hundred twenty-one".