135424364221187 has 2 divisors, whose sum is σ = 135424364221188. Its totient is φ = 135424364221186.

The previous prime is 135424364221177. The next prime is 135424364221241. The reversal of 135424364221187 is 781122463424531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135424364221187 - 2¹⁶ = 135424364155651 is a prime.

It is not a weakly prime, because it can be changed into another prime (135424364221177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67712182110593 + 67712182110594.

It is an arithmetic number, because the mean of its divisors is an integer number (67712182110594).

Almost surely, 2^{135424364221187} is an apocalyptic number.

135424364221187 is a deficient number, since it is larger than the sum of its proper divisors (1).

135424364221187 is an equidigital number, since it uses as much as digits as its factorization.

135424364221187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 53.

The spelling of 135424364221187 in words is "one hundred thirty-five trillion, four hundred twenty-four billion, three hundred sixty-four million, two hundred twenty-one thousand, one hundred eighty-seven".