134404467187 has 2 divisors, whose sum is σ = 134404467188. Its totient is φ = 134404467186.

The previous prime is 134404467161. The next prime is 134404467257. The reversal of 134404467187 is 781764404431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134404467187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134404467187.

It is not a weakly prime, because it can be changed into another prime (134404467787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67202233593 + 67202233594.

It is an arithmetic number, because the mean of its divisors is an integer number (67202233594).

Almost surely, 2^134404467187 is an apocalyptic number.

134404467187 is a deficient number, since it is larger than the sum of its proper divisors (1).

134404467187 is an equidigital number, since it uses as much as digits as its factorization.

134404467187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 134404467187 in words is "one hundred thirty-four billion, four hundred four million, four hundred sixty-seven thousand, one hundred eighty-seven".