134121220144517 has 2 divisors, whose sum is σ = 134121220144518. Its totient is φ = 134121220144516.

The previous prime is 134121220144441. The next prime is 134121220144603. The reversal of 134121220144517 is 715441022121431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106308348632836 + 27812871511681 = 10310594^2 + 5273791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134121220144517 is a prime.

It is a super-3 number, since 3×134121220144517³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134121220144117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67060610072258 + 67060610072259.

It is an arithmetic number, because the mean of its divisors is an integer number (67060610072259).

Almost surely, 2^{134121220144517} is an apocalyptic number.

It is an amenable number.

134121220144517 is a deficient number, since it is larger than the sum of its proper divisors (1).

134121220144517 is an equidigital number, since it uses as much as digits as its factorization.

134121220144517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 134121220144517 its reverse (715441022121431), we get a palindrome (849562242265948).

The spelling of 134121220144517 in words is "one hundred thirty-four trillion, one hundred twenty-one billion, two hundred twenty million, one hundred forty-four thousand, five hundred seventeen".