139301946877 has 2 divisors, whose sum is σ = 139301946878. Its totient is φ = 139301946876.

The previous prime is 139301946851. The next prime is 139301946881. The reversal of 139301946877 is 778649103931.

139301946877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127381892836 + 11920054041 = 356906^2 + 109179^2 .

It is a cyclic number.

It is not a de Polignac number, because 139301946877 - 2²³ = 139293558269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139301946827) 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, 69650973438 + 69650973439.

It is an arithmetic number, because the mean of its divisors is an integer number (69650973439).

Almost surely, 2^139301946877 is an apocalyptic number.

It is an amenable number.

139301946877 is a deficient number, since it is larger than the sum of its proper divisors (1).

139301946877 is an equidigital number, since it uses as much as digits as its factorization.

139301946877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 139301946877 in words is "one hundred thirty-nine billion, three hundred one million, nine hundred forty-six thousand, eight hundred seventy-seven".