140340225349 has 2 divisors, whose sum is σ = 140340225350. Its totient is φ = 140340225348.

The previous prime is 140340225323. The next prime is 140340225449. The reversal of 140340225349 is 943522043041.

140340225349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125815637025 + 14524588324 = 354705^2 + 120518^2 .

It is an emirp because it is prime and its reverse (943522043041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140340225349 - 2³³ = 131750290757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140340225449) by changing a digit.

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 as a sum of consecutive naturals, namely, 70170112674 + 70170112675.

It is an arithmetic number, because the mean of its divisors is an integer number (70170112675).

Almost surely, 2^140340225349 is an apocalyptic number.

It is an amenable number.

140340225349 is a deficient number, since it is larger than the sum of its proper divisors (1).

140340225349 is an equidigital number, since it uses as much as digits as its factorization.

140340225349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 140340225349 in words is "one hundred forty billion, three hundred forty million, two hundred twenty-five thousand, three hundred forty-nine".