135258372827065 has 16 divisors (see below), whose sum is σ = 162400814466192. Its totient is φ = 108146189942784.

The previous prime is 135258372827051. The next prime is 135258372827131. The reversal of 135258372827065 is 560728273852531.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 55919006784 + 135202453820281 = 236472^2 + 11627659^2 .

It is a cyclic number.

It is not a de Polignac number, because 135258372827065 - 2¹³ = 135258372818873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135258372826988 and 135258372827006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399415897 + ... + 399754393.

It is an arithmetic number, because the mean of its divisors is an integer number (10150050904137).

Almost surely, 2^{135258372827065} is an apocalyptic number.

It is an amenable number.

135258372827065 is a deficient number, since it is larger than the sum of its proper divisors (27142441639127).

135258372827065 is a wasteful number, since it uses less digits than its factorization.

135258372827065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382956.

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 135258372827065 in words is "one hundred thirty-five trillion, two hundred fifty-eight billion, three hundred seventy-two million, eight hundred twenty-seven thousand, sixty-five".