135600664335025 has 6 divisors (see below), whose sum is σ = 168144823775462. Its totient is φ = 108480531468000.

The previous prime is 135600664334987. The next prime is 135600664335029. The reversal of 135600664335025 is 520533466006531.

It can be written as a sum of positive squares in 3 ways, for example, as 40942709025201 + 94657955309824 = 6398649^2 + 9729232^2 .

It is not a de Polignac number, because 135600664335025 - 2¹³ = 135600664326833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135600664335025.

It is not an unprimeable number, because it can be changed into a prime (135600664335029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2712013286676 + ... + 2712013286725.

Almost surely, 2^{135600664335025} is an apocalyptic number.

It is an amenable number.

135600664335025 is a deficient number, since it is larger than the sum of its proper divisors (32544159440437).

135600664335025 is an equidigital number, since it uses as much as digits as its factorization.

135600664335025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424026573411 (or 5424026573406 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 49.

The spelling of 135600664335025 in words is "one hundred thirty-five trillion, six hundred billion, six hundred sixty-four million, three hundred thirty-five thousand, twenty-five".