135985940359 has 2 divisors, whose sum is σ = 135985940360. Its totient is φ = 135985940358.

The previous prime is 135985940323. The next prime is 135985940381. The reversal of 135985940359 is 953049589531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135985940359 - 2¹³ = 135985932167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135985940297 and 135985940306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135985947359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67992970179 + 67992970180.

It is an arithmetic number, because the mean of its divisors is an integer number (67992970180).

Almost surely, 2^135985940359 is an apocalyptic number.

135985940359 is a deficient number, since it is larger than the sum of its proper divisors (1).

135985940359 is an equidigital number, since it uses as much as digits as its factorization.

135985940359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244000, while the sum is 61.

The spelling of 135985940359 in words is "one hundred thirty-five billion, nine hundred eighty-five million, nine hundred forty thousand, three hundred fifty-nine".