134635440975965 has 4 divisors (see below), whose sum is σ = 161562529171164. Its totient is φ = 107708352780768.

The previous prime is 134635440975877. The next prime is 134635440976021. The reversal of 134635440975965 is 569579044536431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22932969390244 + 111702471585721 = 4788838^2 + 10568939^2 .

It is a cyclic number.

It is not a de Polignac number, because 134635440975965 - 2¹² = 134635440971869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13463544097592 + ... + 13463544097601.

It is an arithmetic number, because the mean of its divisors is an integer number (40390632292791).

Almost surely, 2^{134635440975965} is an apocalyptic number.

It is an amenable number.

134635440975965 is a deficient number, since it is larger than the sum of its proper divisors (26927088195199).

134635440975965 is an equidigital number, since it uses as much as digits as its factorization.

134635440975965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26927088195198.

The product of its (nonzero) digits is 1469664000, while the sum is 71.

The spelling of 134635440975965 in words is "one hundred thirty-four trillion, six hundred thirty-five billion, four hundred forty million, nine hundred seventy-five thousand, nine hundred sixty-five".