135666214240379 has 2 divisors, whose sum is σ = 135666214240380. Its totient is φ = 135666214240378.

The previous prime is 135666214240289. The next prime is 135666214240409. The reversal of 135666214240379 is 973042412666531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135666214240379 - 2²⁸ = 135665945804923 is a prime.

It is not a weakly prime, because it can be changed into another prime (135666214240079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67833107120189 + 67833107120190.

It is an arithmetic number, because the mean of its divisors is an integer number (67833107120190).

Almost surely, 2^{135666214240379} is an apocalyptic number.

135666214240379 is a deficient number, since it is larger than the sum of its proper divisors (1).

135666214240379 is an equidigital number, since it uses as much as digits as its factorization.

135666214240379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 59.

The spelling of 135666214240379 in words is "one hundred thirty-five trillion, six hundred sixty-six billion, two hundred fourteen million, two hundred forty thousand, three hundred seventy-nine".