134887584187 has 2 divisors, whose sum is σ = 134887584188. Its totient is φ = 134887584186.

The previous prime is 134887584163. The next prime is 134887584191. The reversal of 134887584187 is 781485788431.

It is a strong prime.

It is an emirp because it is prime and its reverse (781485788431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134887584187 is a prime.

It is not a weakly prime, because it can be changed into another prime (134887584197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67443792093 + 67443792094.

It is an arithmetic number, because the mean of its divisors is an integer number (67443792094).

Almost surely, 2^134887584187 is an apocalyptic number.

134887584187 is a deficient number, since it is larger than the sum of its proper divisors (1).

134887584187 is an equidigital number, since it uses as much as digits as its factorization.

134887584187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48168960, while the sum is 64.

The spelling of 134887584187 in words is "one hundred thirty-four billion, eight hundred eighty-seven million, five hundred eighty-four thousand, one hundred eighty-seven".