134685886665 has 16 divisors (see below), whose sum is σ = 235088093376. Its totient is φ = 65302248000.

The previous prime is 134685886637. The next prime is 134685886667. The reversal of 134685886665 is 566688586431.

It is not a de Polignac number, because 134685886665 - 2⁵ = 134685886633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134685886596 and 134685886605.

It is not an unprimeable number, because it can be changed into a prime (134685886667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408138886 + ... + 408139215.

It is an arithmetic number, because the mean of its divisors is an integer number (14693005836).

Almost surely, 2^134685886665 is an apocalyptic number.

134685886665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134685886665 is a deficient number, since it is larger than the sum of its proper divisors (100402206711).

134685886665 is a wasteful number, since it uses less digits than its factorization.

134685886665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816278120.

The product of its digits is 199065600, while the sum is 66.

The spelling of 134685886665 in words is "one hundred thirty-four billion, six hundred eighty-five million, eight hundred eighty-six thousand, six hundred sixty-five".