135208545071 has 2 divisors, whose sum is σ = 135208545072. Its totient is φ = 135208545070.

The previous prime is 135208545049. The next prime is 135208545079. The reversal of 135208545071 is 170545802531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135208545071 - 2¹⁴ = 135208528687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135208545079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67604272535 + 67604272536.

It is an arithmetic number, because the mean of its divisors is an integer number (67604272536).

Almost surely, 2^135208545071 is an apocalyptic number.

135208545071 is a deficient number, since it is larger than the sum of its proper divisors (1).

135208545071 is an equidigital number, since it uses as much as digits as its factorization.

135208545071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 135208545071 in words is "one hundred thirty-five billion, two hundred eight million, five hundred forty-five thousand, seventy-one".