140214184477 has 2 divisors, whose sum is σ = 140214184478. Its totient is φ = 140214184476.

The previous prime is 140214184427. The next prime is 140214184571. The reversal of 140214184477 is 774481412041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136017865636 + 4196318841 = 368806^2 + 64779^2 .

It is a cyclic number.

It is not a de Polignac number, because 140214184477 - 2¹¹ = 140214182429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140214184427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70107092238 + 70107092239.

It is an arithmetic number, because the mean of its divisors is an integer number (70107092239).

Almost surely, 2^140214184477 is an apocalyptic number.

It is an amenable number.

140214184477 is a deficient number, since it is larger than the sum of its proper divisors (1).

140214184477 is an equidigital number, since it uses as much as digits as its factorization.

140214184477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 43.

The spelling of 140214184477 in words is "one hundred forty billion, two hundred fourteen million, one hundred eighty-four thousand, four hundred seventy-seven".