135003259081871 has 4 divisors (see below), whose sum is σ = 138296021498544. Its totient is φ = 131710496665200.

The previous prime is 135003259081771. The next prime is 135003259081877. The reversal of 135003259081871 is 178180952300531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135003259081871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135003259081877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646381208275 + ... + 1646381208356.

It is an arithmetic number, because the mean of its divisors is an integer number (34574005374636).

Almost surely, 2^{135003259081871} is an apocalyptic number.

135003259081871 is a deficient number, since it is larger than the sum of its proper divisors (3292762416673).

135003259081871 is an equidigital number, since it uses as much as digits as its factorization.

135003259081871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292762416672.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 135003259081871 in words is "one hundred thirty-five trillion, three billion, two hundred fifty-nine million, eighty-one thousand, eight hundred seventy-one".