140556605407 has 2 divisors, whose sum is σ = 140556605408. Its totient is φ = 140556605406.

The previous prime is 140556605383. The next prime is 140556605447. The reversal of 140556605407 is 704506655041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140556605407 - 2⁷ = 140556605279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140556605447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70278302703 + 70278302704.

It is an arithmetic number, because the mean of its divisors is an integer number (70278302704).

Almost surely, 2^140556605407 is an apocalyptic number.

140556605407 is a deficient number, since it is larger than the sum of its proper divisors (1).

140556605407 is an equidigital number, since it uses as much as digits as its factorization.

140556605407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 140556605407 in words is "one hundred forty billion, five hundred fifty-six million, six hundred five thousand, four hundred seven".