134386994689 has 2 divisors, whose sum is σ = 134386994690. Its totient is φ = 134386994688.

The previous prime is 134386994641. The next prime is 134386994713. The reversal of 134386994689 is 986499683431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132630714225 + 1756280464 = 364185^2 + 41908^2 .

It is a cyclic number.

It is not a de Polignac number, because 134386994689 - 2²³ = 134378606081 is a prime.

It is not a weakly prime, because it can be changed into another prime (134386994789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67193497344 + 67193497345.

It is an arithmetic number, because the mean of its divisors is an integer number (67193497345).

Almost surely, 2^134386994689 is an apocalyptic number.

It is an amenable number.

134386994689 is a deficient number, since it is larger than the sum of its proper divisors (1).

134386994689 is an equidigital number, since it uses as much as digits as its factorization.

134386994689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241864704, while the sum is 70.

The spelling of 134386994689 in words is "one hundred thirty-four billion, three hundred eighty-six million, nine hundred ninety-four thousand, six hundred eighty-nine".