140104405409 has 2 divisors, whose sum is σ = 140104405410. Its totient is φ = 140104405408.

The previous prime is 140104405393. The next prime is 140104405439. The reversal of 140104405409 is 904504401041.

140104405409 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., 103123192384 + 36981213025 = 321128^2 + 192305^2 .

It is a cyclic number.

It is not a de Polignac number, because 140104405409 - 2⁴ = 140104405393 is a prime.

It is not a weakly prime, because it can be changed into another prime (140104405439) 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, 70052202704 + 70052202705.

It is an arithmetic number, because the mean of its divisors is an integer number (70052202705).

Almost surely, 2^140104405409 is an apocalyptic number.

It is an amenable number.

140104405409 is a deficient number, since it is larger than the sum of its proper divisors (1).

140104405409 is an equidigital number, since it uses as much as digits as its factorization.

140104405409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 140104405409 in words is "one hundred forty billion, one hundred four million, four hundred five thousand, four hundred nine".