134544505577 has 8 divisors (see below), whose sum is σ = 142610942376. Its totient is φ = 126494963712.

The previous prime is 134544505559. The next prime is 134544505603. The reversal of 134544505577 is 775505445431.

It can be written as a sum of positive squares in 4 ways, for example, as 18032192656 + 116512312921 = 134284^2 + 341339^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 134544505577 - 2⁸ = 134544505321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134544505547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207328 + ... + 4239185.

It is an arithmetic number, because the mean of its divisors is an integer number (17826367797).

Almost surely, 2^134544505577 is an apocalyptic number.

134544505577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

134544505577 is a deficient number, since it is larger than the sum of its proper divisors (8066436799).

134544505577 is an equidigital number, since it uses as much as digits as its factorization.

134544505577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8447467.

The product of its (nonzero) digits is 5880000, while the sum is 50.

The spelling of 134544505577 in words is "one hundred thirty-four billion, five hundred forty-four million, five hundred five thousand, five hundred seventy-seven".