140205505255 has 8 divisors (see below), whose sum is σ = 174048213600. Its totient is φ = 108296666016.

The previous prime is 140205505243. The next prime is 140205505273. The reversal of 140205505255 is 552505502041.

140205505255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140205505255 - 2⁷ = 140205505127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140205505255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483467115 + ... + 483467404.

It is an arithmetic number, because the mean of its divisors is an integer number (21756026700).

Almost surely, 2^140205505255 is an apocalyptic number.

140205505255 is a deficient number, since it is larger than the sum of its proper divisors (33842708345).

140205505255 is an equidigital number, since it uses as much as digits as its factorization.

140205505255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966934553.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 140205505255 in words is "one hundred forty billion, two hundred five million, five hundred five thousand, two hundred fifty-five".