135899817167 has 8 divisors (see below), whose sum is σ = 140101169712. Its totient is φ = 131740689600.

The previous prime is 135899817161. The next prime is 135899817211. The reversal of 135899817167 is 761718998531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135899817167 - 2¹⁸ = 135899555023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135899817161) 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 in 7 ways as a sum of consecutive naturals, for example, 10549709 + ... + 10562582.

It is an arithmetic number, because the mean of its divisors is an integer number (17512646214).

Almost surely, 2^135899817167 is an apocalyptic number.

135899817167 is a deficient number, since it is larger than the sum of its proper divisors (4201352545).

135899817167 is a wasteful number, since it uses less digits than its factorization.

135899817167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21112489.

The product of its digits is 22861440, while the sum is 65.

The spelling of 135899817167 in words is "one hundred thirty-five billion, eight hundred ninety-nine million, eight hundred seventeen thousand, one hundred sixty-seven".