132278138777 has 2 divisors, whose sum is σ = 132278138778. Its totient is φ = 132278138776.

The previous prime is 132278138771. The next prime is 132278138879. The reversal of 132278138777 is 777831872231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105913797136 + 26364341641 = 325444^2 + 162371^2 .

It is a cyclic number.

It is not a de Polignac number, because 132278138777 - 2⁴ = 132278138761 is a prime.

It is not a weakly prime, because it can be changed into another prime (132278138771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66139069388 + 66139069389.

It is an arithmetic number, because the mean of its divisors is an integer number (66139069389).

Almost surely, 2^132278138777 is an apocalyptic number.

It is an amenable number.

132278138777 is a deficient number, since it is larger than the sum of its proper divisors (1).

132278138777 is an equidigital number, since it uses as much as digits as its factorization.

132278138777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5531904, while the sum is 56.

The spelling of 132278138777 in words is "one hundred thirty-two billion, two hundred seventy-eight million, one hundred thirty-eight thousand, seven hundred seventy-seven".