135301221287 has 2 divisors, whose sum is σ = 135301221288. Its totient is φ = 135301221286.

The previous prime is 135301221241. The next prime is 135301221313. The reversal of 135301221287 is 782122103531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135301221287 - 2³² = 131006253991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135301121287) 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, 67650610643 + 67650610644.

It is an arithmetic number, because the mean of its divisors is an integer number (67650610644).

Almost surely, 2^135301221287 is an apocalyptic number.

135301221287 is a deficient number, since it is larger than the sum of its proper divisors (1).

135301221287 is an equidigital number, since it uses as much as digits as its factorization.

135301221287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 135301221287 in words is "one hundred thirty-five billion, three hundred one million, two hundred twenty-one thousand, two hundred eighty-seven".