135786241387 has 2 divisors, whose sum is σ = 135786241388. Its totient is φ = 135786241386.

The previous prime is 135786241361. The next prime is 135786241397. The reversal of 135786241387 is 783142687531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135786241387 - 2⁷ = 135786241259 is a prime.

It is not a weakly prime, because it can be changed into another prime (135786241397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67893120693 + 67893120694.

It is an arithmetic number, because the mean of its divisors is an integer number (67893120694).

Almost surely, 2^135786241387 is an apocalyptic number.

135786241387 is a deficient number, since it is larger than the sum of its proper divisors (1).

135786241387 is an equidigital number, since it uses as much as digits as its factorization.

135786241387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 55.

The spelling of 135786241387 in words is "one hundred thirty-five billion, seven hundred eighty-six million, two hundred forty-one thousand, three hundred eighty-seven".