134404566447247 has 8 divisors (see below), whose sum is σ = 134489670915600. Its totient is φ = 134319465645504.

The previous prime is 134404566447191. The next prime is 134404566447253. The reversal of 134404566447247 is 742744665404431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134404566447247 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 (134404566441247) 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 7 ways as a sum of consecutive naturals, for example, 74374779 + ... + 76160467.

It is an arithmetic number, because the mean of its divisors is an integer number (16811208864450).

Almost surely, 2^{134404566447247} is an apocalyptic number.

134404566447247 is a deficient number, since it is larger than the sum of its proper divisors (85104468353).

134404566447247 is a wasteful number, since it uses less digits than its factorization.

134404566447247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833305.

The product of its (nonzero) digits is 216760320, while the sum is 61.

The spelling of 134404566447247 in words is "one hundred thirty-four trillion, four hundred four billion, five hundred sixty-six million, four hundred forty-seven thousand, two hundred forty-seven".