135062643377 has 2 divisors, whose sum is σ = 135062643378. Its totient is φ = 135062643376.

The previous prime is 135062643349. The next prime is 135062643421. The reversal of 135062643377 is 773346260531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76731216016 + 58331427361 = 277004^2 + 241519^2 .

It is a cyclic number.

It is not a de Polignac number, because 135062643377 - 2¹⁰ = 135062642353 is a prime.

It is not a weakly prime, because it can be changed into another prime (135062643337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67531321688 + 67531321689.

It is an arithmetic number, because the mean of its divisors is an integer number (67531321689).

Almost surely, 2^135062643377 is an apocalyptic number.

It is an amenable number.

135062643377 is a deficient number, since it is larger than the sum of its proper divisors (1).

135062643377 is an equidigital number, since it uses as much as digits as its factorization.

135062643377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 135062643377 in words is "one hundred thirty-five billion, sixty-two million, six hundred forty-three thousand, three hundred seventy-seven".