134326135535665 has 8 divisors (see below), whose sum is σ = 161191425262248. Its totient is φ = 107460866682240.

The previous prime is 134326135535663. The next prime is 134326135535671. The reversal of 134326135535665 is 566535531623431.

It can be written as a sum of positive squares in 4 ways, for example, as 43293031105536 + 91033104430129 = 6579744^2 + 9541127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134326135535665 - 2¹ = 134326135535663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134326135535663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20158125 + ... + 25980805.

It is an arithmetic number, because the mean of its divisors is an integer number (20148928157781).

Almost surely, 2^{134326135535665} is an apocalyptic number.

It is an amenable number.

134326135535665 is a deficient number, since it is larger than the sum of its proper divisors (26865289726583).

134326135535665 is an equidigital number, since it uses as much as digits as its factorization.

134326135535665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436579.

The product of its digits is 87480000, while the sum is 58.

The spelling of 134326135535665 in words is "one hundred thirty-four trillion, three hundred twenty-six billion, one hundred thirty-five million, five hundred thirty-five thousand, six hundred sixty-five".