134544526044889 has 81 divisors (see below), whose sum is σ = 145231208700669. Its totient is φ = 124638080898240.

The previous prime is 134544526044823. The next prime is 134544526044917. The reversal of 134544526044889 is 988440625445431.

The square root of 134544526044889 is 11599333.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 40369923035289 + 94174603009600 = 6353733^2 + 9704360^2 .

It is not a de Polignac number, because 134544526044889 - 2⁹ = 134544526044377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134544526044809) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1621018386042 + ... + 1621018386124.

Almost surely, 2^{134544526044889} is an apocalyptic number.

134544526044889 is the 11599333-rd square number.

134544526044889 is the 5799667-th centered octagonal number.

It is an amenable number.

134544526044889 is a deficient number, since it is larger than the sum of its proper divisors (10686682655780).

134544526044889 is an frugal number, since it uses more digits than its factorization.

134544526044889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 530841600, while the sum is 67.

The spelling of 134544526044889 in words is "one hundred thirty-four trillion, five hundred forty-four billion, five hundred twenty-six million, forty-four thousand, eight hundred eighty-nine".