134455561655 has 16 divisors (see below), whose sum is σ = 170733049344. Its totient is φ = 101438604960.

The previous prime is 134455561649. The next prime is 134455561717. The reversal of 134455561655 is 556165554431.

It is not a de Polignac number, because 134455561655 - 2¹⁴ = 134455545271 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, 8225489 + ... + 8241818.

It is an arithmetic number, because the mean of its divisors is an integer number (10670815584).

Almost surely, 2^134455561655 is an apocalyptic number.

134455561655 is a deficient number, since it is larger than the sum of its proper divisors (36277487689).

134455561655 is a wasteful number, since it uses less digits than its factorization.

134455561655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16467406.

The product of its digits is 5400000, while the sum is 50.

The spelling of 134455561655 in words is "one hundred thirty-four billion, four hundred fifty-five million, five hundred sixty-one thousand, six hundred fifty-five".