135345421487 has 2 divisors, whose sum is σ = 135345421488. Its totient is φ = 135345421486.

The previous prime is 135345421433. The next prime is 135345421501. The reversal of 135345421487 is 784124543531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135345421487 - 2⁸ = 135345421231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135345427487) 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, 67672710743 + 67672710744.

It is an arithmetic number, because the mean of its divisors is an integer number (67672710744).

Almost surely, 2^135345421487 is an apocalyptic number.

135345421487 is a deficient number, since it is larger than the sum of its proper divisors (1).

135345421487 is an equidigital number, since it uses as much as digits as its factorization.

135345421487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 47.

The spelling of 135345421487 in words is "one hundred thirty-five billion, three hundred forty-five million, four hundred twenty-one thousand, four hundred eighty-seven".