135958541699 has 6 divisors (see below), whose sum is σ = 143490871260. Its totient is φ = 128802828636.

The previous prime is 135958541683. The next prime is 135958541701. The reversal of 135958541699 is 996145859531.

It is not a de Polignac number, because 135958541699 - 2⁴ = 135958541683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135958511699) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188307869 + ... + 188308590.

It is an arithmetic number, because the mean of its divisors is an integer number (23915145210).

Almost surely, 2^135958541699 is an apocalyptic number.

135958541699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

135958541699 is a deficient number, since it is larger than the sum of its proper divisors (7532329561).

135958541699 is an equidigital number, since it uses as much as digits as its factorization.

135958541699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376616497 (or 376616478 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 65.

The spelling of 135958541699 in words is "one hundred thirty-five billion, nine hundred fifty-eight million, five hundred forty-one thousand, six hundred ninety-nine".