134566635643 has 16 divisors (see below), whose sum is σ = 147143654784. Its totient is φ = 122047248960.

The previous prime is 134566635607. The next prime is 134566635691. The reversal of 134566635643 is 346536665431.

It is a cyclic number.

It is not a de Polignac number, because 134566635643 - 2⁹ = 134566635131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134566638643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8515996 + ... + 8531782.

It is an arithmetic number, because the mean of its divisors is an integer number (9196478424).

Almost surely, 2^134566635643 is an apocalyptic number.

134566635643 is a deficient number, since it is larger than the sum of its proper divisors (12577019141).

134566635643 is a wasteful number, since it uses less digits than its factorization.

134566635643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562.

The product of its digits is 13996800, while the sum is 52.

The spelling of 134566635643 in words is "one hundred thirty-four billion, five hundred sixty-six million, six hundred thirty-five thousand, six hundred forty-three".