135136028159 has 24 divisors (see below), whose sum is σ = 157328068464. Its totient is φ = 115585747200.

The previous prime is 135136028143. The next prime is 135136028179. The reversal of 135136028159 is 951820631531.

It is not a de Polignac number, because 135136028159 - 2⁴ = 135136028143 is a prime.

It is a super-2 number, since 2×135136028159² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135136028129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7336349 + ... + 7354745.

It is an arithmetic number, because the mean of its divisors is an integer number (6555336186).

Almost surely, 2^135136028159 is an apocalyptic number.

135136028159 is a deficient number, since it is larger than the sum of its proper divisors (22192040305).

135136028159 is a wasteful number, since it uses less digits than its factorization.

135136028159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22007 (or 21996 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 135136028159 in words is "one hundred thirty-five billion, one hundred thirty-six million, twenty-eight thousand, one hundred fifty-nine".