134504536561 has 8 divisors (see below), whose sum is σ = 135887797760. Its totient is φ = 133122763872.

The previous prime is 134504536547. The next prime is 134504536577. The reversal of 134504536561 is 165635405431.

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 134504536561 - 2¹⁹ = 134504012273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134504536541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190020 + ... + 552373.

It is an arithmetic number, because the mean of its divisors is an integer number (16985974720).

Almost surely, 2^134504536561 is an apocalyptic number.

It is an amenable number.

134504536561 is a deficient number, since it is larger than the sum of its proper divisors (1383261199).

134504536561 is a wasteful number, since it uses less digits than its factorization.

134504536561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744255.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 134504536561 in words is "one hundred thirty-four billion, five hundred four million, five hundred thirty-six thousand, five hundred sixty-one".