135664360026485 has 64 divisors (see below), whose sum is σ = 168829263482880. Its totient is φ = 104586228311040.

The previous prime is 135664360026479. The next prime is 135664360026491. The reversal of 135664360026485 is 584620063466531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135664360026479) and next prime (135664360026491).

It is not a de Polignac number, because 135664360026485 - 2²⁸ = 135664091591029 is a prime.

It is a super-2 number, since 2×135664360026485² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20932624445 + ... + 20932630925.

It is an arithmetic number, because the mean of its divisors is an integer number (2637957241920).

Almost surely, 2^{135664360026485} is an apocalyptic number.

It is an amenable number.

135664360026485 is a deficient number, since it is larger than the sum of its proper divisors (33164903456395).

135664360026485 is a wasteful number, since it uses less digits than its factorization.

135664360026485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018.

The product of its (nonzero) digits is 74649600, while the sum is 59.

The spelling of 135664360026485 in words is "one hundred thirty-five trillion, six hundred sixty-four billion, three hundred sixty million, twenty-six thousand, four hundred eighty-five".