134501517778213 has 2 divisors, whose sum is σ = 134501517778214. Its totient is φ = 134501517778212.

The previous prime is 134501517778207. The next prime is 134501517778247. The reversal of 134501517778213 is 312877715105431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116515250173729 + 17986267604484 = 10794223^2 + 4241022^2 .

It is a cyclic number.

It is not a de Polignac number, because 134501517778213 - 2⁵ = 134501517778181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134501517778013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67250758889106 + 67250758889107.

It is an arithmetic number, because the mean of its divisors is an integer number (67250758889107).

Almost surely, 2^{134501517778213} is an apocalyptic number.

It is an amenable number.

134501517778213 is a deficient number, since it is larger than the sum of its proper divisors (1).

134501517778213 is an equidigital number, since it uses as much as digits as its factorization.

134501517778213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 55.

The spelling of 134501517778213 in words is "one hundred thirty-four trillion, five hundred one billion, five hundred seventeen million, seven hundred seventy-eight thousand, two hundred thirteen".