134545866605 has 16 divisors (see below), whose sum is σ = 161907231024. Its totient is φ = 107335388160.

The previous prime is 134545866577. The next prime is 134545866643. The reversal of 134545866605 is 506668545431.

It can be written as a sum of positive squares in 8 ways, for example, as 30785860681 + 103760005924 = 175459^2 + 322118^2 .

It is not a de Polignac number, because 134545866605 - 2⁸ = 134545866349 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 15 ways as a sum of consecutive naturals, for example, 9387845 + ... + 9402165.

It is an arithmetic number, because the mean of its divisors is an integer number (10119201939).

Almost surely, 2^134545866605 is an apocalyptic number.

It is an amenable number.

134545866605 is a deficient number, since it is larger than the sum of its proper divisors (27361364419).

134545866605 is a wasteful number, since it uses less digits than its factorization.

134545866605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 134545866605 in words is "one hundred thirty-four billion, five hundred forty-five million, eight hundred sixty-six thousand, six hundred five".