134723647117 has 2 divisors, whose sum is σ = 134723647118. Its totient is φ = 134723647116.

The previous prime is 134723647063. The next prime is 134723647129. The reversal of 134723647117 is 711746327431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127116493156 + 7607153961 = 356534^2 + 87219^2 .

It is a cyclic number.

It is not a de Polignac number, because 134723647117 - 2⁷ = 134723646989 is a prime.

It is a super-2 number, since 2×134723647117² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134723647417) 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 as a sum of consecutive naturals, namely, 67361823558 + 67361823559.

It is an arithmetic number, because the mean of its divisors is an integer number (67361823559).

Almost surely, 2^134723647117 is an apocalyptic number.

It is an amenable number.

134723647117 is a deficient number, since it is larger than the sum of its proper divisors (1).

134723647117 is an equidigital number, since it uses as much as digits as its factorization.

134723647117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 46.

The spelling of 134723647117 in words is "one hundred thirty-four billion, seven hundred twenty-three million, six hundred forty-seven thousand, one hundred seventeen".