134542000405 has 8 divisors (see below), whose sum is σ = 165388215384. Its totient is φ = 105008390400.

The previous prime is 134542000379. The next prime is 134542000409. The reversal of 134542000405 is 504000245431.

It can be written as a sum of positive squares in 4 ways, for example, as 30569841 + 134511430564 = 5529^2 + 366758^2 .

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

It is not a de Polignac number, because 134542000405 - 2¹⁹ = 134541476117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134542000409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328151016 + ... + 328151425.

It is an arithmetic number, because the mean of its divisors is an integer number (20673526923).

Almost surely, 2^134542000405 is an apocalyptic number.

It is an amenable number.

134542000405 is a deficient number, since it is larger than the sum of its proper divisors (30846214979).

134542000405 is an equidigital number, since it uses as much as digits as its factorization.

134542000405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656302487.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 134542000405 its reverse (504000245431), we get a palindrome (638542245836).

The spelling of 134542000405 in words is "one hundred thirty-four billion, five hundred forty-two million, four hundred five", and thus it is an aban number.