134542520055 has 24 divisors (see below), whose sum is σ = 243346472928. Its totient is φ = 68636183616.

The previous prime is 134542519961. The next prime is 134542520089. The reversal of 134542520055 is 550025245431.

134542520055 is a `hidden beast` number, since 1 + 3 + 45 + 42 + 520 + 0 + 55 = 666.

It is not a de Polignac number, because 134542520055 - 2¹⁷ = 134542388983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64995352 + ... + 64997421.

It is an arithmetic number, because the mean of its divisors is an integer number (10139436372).

Almost surely, 2^134542520055 is an apocalyptic number.

134542520055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134542520055 is a deficient number, since it is larger than the sum of its proper divisors (108803952873).

134542520055 is a wasteful number, since it uses less digits than its factorization.

134542520055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129992807 (or 129992804 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 134542520055 its reverse (550025245431), we get a palindrome (684567765486).

The spelling of 134542520055 in words is "one hundred thirty-four billion, five hundred forty-two million, five hundred twenty thousand, fifty-five".