135915638699 has 2 divisors, whose sum is σ = 135915638700. Its totient is φ = 135915638698.

The previous prime is 135915638681. The next prime is 135915638743. The reversal of 135915638699 is 996836519531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135915638699 - 2¹⁶ = 135915573163 is a prime.

It is a super-3 number, since 3×135915638699³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (135915637699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67957819349 + 67957819350.

It is an arithmetic number, because the mean of its divisors is an integer number (67957819350).

Almost surely, 2^135915638699 is an apocalyptic number.

135915638699 is a deficient number, since it is larger than the sum of its proper divisors (1).

135915638699 is an equidigital number, since it uses as much as digits as its factorization.

135915638699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47239200, while the sum is 65.

The spelling of 135915638699 in words is "one hundred thirty-five billion, nine hundred fifteen million, six hundred thirty-eight thousand, six hundred ninety-nine".