134889164560 has 40 divisors (see below), whose sum is σ = 314341677720. Its totient is φ = 53831043072.

The previous prime is 134889164507. The next prime is 134889164629. The reversal of 134889164560 is 65461988431.

It can be written as a sum of positive squares in 4 ways, for example, as 3529310464 + 131359854096 = 59408^2 + 362436^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912375 + ... + 1981654.

It is an arithmetic number, because the mean of its divisors is an integer number (7858541943).

Almost surely, 2^134889164560 is an apocalyptic number.

134889164560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134889164560 is an abundant number, since it is smaller than the sum of its proper divisors (179452513160).

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

134889164560 is a wasteful number, since it uses less digits than its factorization.

134889164560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894475 (or 3894469 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 134889164560 in words is "one hundred thirty-four billion, eight hundred eighty-nine million, one hundred sixty-four thousand, five hundred sixty".