134554504521 has 8 divisors (see below), whose sum is σ = 179519345280. Its totient is φ = 89646333392.

The previous prime is 134554504519. The next prime is 134554504639. The reversal of 134554504521 is 125405455431.

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 134554504521 - 2¹ = 134554504519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134554504521.

It is not an unprimeable number, because it can be changed into a prime (134554506521) 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, 14161866 + ... + 14171363.

It is an arithmetic number, because the mean of its divisors is an integer number (22439918160).

Almost surely, 2^134554504521 is an apocalyptic number.

It is an amenable number.

134554504521 is a deficient number, since it is larger than the sum of its proper divisors (44964840759).

134554504521 is a wasteful number, since it uses less digits than its factorization.

134554504521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28334815.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 134554504521 its reverse (125405455431), we get a palindrome (259959959952).

The spelling of 134554504521 in words is "one hundred thirty-four billion, five hundred fifty-four million, five hundred four thousand, five hundred twenty-one".