135884384213 has 2 divisors, whose sum is σ = 135884384214. Its totient is φ = 135884384212.

The previous prime is 135884384191. The next prime is 135884384287. The reversal of 135884384213 is 312483488531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73515815044 + 62368569169 = 271138^2 + 249737^2 .

It is a cyclic number.

It is not a de Polignac number, because 135884384213 - 2¹² = 135884380117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135884383213) 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, 67942192106 + 67942192107.

It is an arithmetic number, because the mean of its divisors is an integer number (67942192107).

Almost surely, 2^135884384213 is an apocalyptic number.

It is an amenable number.

135884384213 is a deficient number, since it is larger than the sum of its proper divisors (1).

135884384213 is an equidigital number, since it uses as much as digits as its factorization.

135884384213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 50.

The spelling of 135884384213 in words is "one hundred thirty-five billion, eight hundred eighty-four million, three hundred eighty-four thousand, two hundred thirteen".