134164653521 has 8 divisors (see below), whose sum is σ = 137068550784. Its totient is φ = 131274552240.

The previous prime is 134164653517. The next prime is 134164653533. The reversal of 134164653521 is 125356461431.

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 134164653521 - 2² = 134164653517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134164653541) 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, 3429335 + ... + 3468236.

It is an arithmetic number, because the mean of its divisors is an integer number (17133568848).

Almost surely, 2^134164653521 is an apocalyptic number.

It is an amenable number.

134164653521 is a deficient number, since it is larger than the sum of its proper divisors (2903897263).

134164653521 is an equidigital number, since it uses as much as digits as its factorization.

134164653521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897991.

The product of its digits is 259200, while the sum is 41.

The spelling of 134164653521 in words is "one hundred thirty-four billion, one hundred sixty-four million, six hundred fifty-three thousand, five hundred twenty-one".