134561955894 has 8 divisors (see below), whose sum is σ = 269123911800. Its totient is φ = 44853985296.

The previous prime is 134561955881. The next prime is 134561955943. The reversal of 134561955894 is 498559165431.

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

134561955894 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 11213496319 + ... + 11213496330.

It is an arithmetic number, because the mean of its divisors is an integer number (33640488975).

Almost surely, 2^134561955894 is an apocalyptic number.

134561955894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134561955894 is a wasteful number, since it uses less digits than its factorization.

134561955894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22426992654.

The product of its digits is 23328000, while the sum is 60.

The spelling of 134561955894 in words is "one hundred thirty-four billion, five hundred sixty-one million, nine hundred fifty-five thousand, eight hundred ninety-four".