140777671049 has 2 divisors, whose sum is σ = 140777671050. Its totient is φ = 140777671048.

The previous prime is 140777671043. The next prime is 140777671057. The reversal of 140777671049 is 940176777041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131302595449 + 9475075600 = 362357^2 + 97340^2 .

It is a cyclic number.

It is not a de Polignac number, because 140777671049 - 2⁸ = 140777670793 is a prime.

It is not a weakly prime, because it can be changed into another prime (140777671043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70388835524 + 70388835525.

It is an arithmetic number, because the mean of its divisors is an integer number (70388835525).

Almost surely, 2^140777671049 is an apocalyptic number.

It is an amenable number.

140777671049 is a deficient number, since it is larger than the sum of its proper divisors (1).

140777671049 is an equidigital number, since it uses as much as digits as its factorization.

140777671049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2074464, while the sum is 53.

The spelling of 140777671049 in words is "one hundred forty billion, seven hundred seventy-seven million, six hundred seventy-one thousand, forty-nine".