135435136671 has 16 divisors (see below), whose sum is σ = 200650716000. Its totient is φ = 90287360064.

The previous prime is 135435136649. The next prime is 135435136693. The reversal of 135435136671 is 176631534531.

135435136671 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 3 + 513 + 66 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (135435136649) and next prime (135435136693).

It is not a de Polignac number, because 135435136671 - 2¹⁸ = 135434874527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135435136171) 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 in 15 ways as a sum of consecutive naturals, for example, 1262755 + ... + 1365803.

It is an arithmetic number, because the mean of its divisors is an integer number (12540669750).

Almost surely, 2^135435136671 is an apocalyptic number.

135435136671 is a deficient number, since it is larger than the sum of its proper divisors (65215579329).

135435136671 is a wasteful number, since it uses less digits than its factorization.

135435136671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151735 (or 151729 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 135435136671 in words is "one hundred thirty-five billion, four hundred thirty-five million, one hundred thirty-six thousand, six hundred seventy-one".