135159123 has 8 divisors (see below), whose sum is σ = 196595136. Its totient is φ = 81914600.

The previous prime is 135159077. The next prime is 135159133. The reversal of 135159123 is 321951531.

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 135159123 - 2⁸ = 135158867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135159133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047833 + ... + 2047898.

It is an arithmetic number, because the mean of its divisors is an integer number (24574392).

Almost surely, 2^135159123 is an apocalyptic number.

135159123 is a deficient number, since it is larger than the sum of its proper divisors (61436013).

135159123 is a wasteful number, since it uses less digits than its factorization.

135159123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095745.

The product of its digits is 4050, while the sum is 30.

The square root of 135159123 is about 11625.7955856793. The cubic root of 135159123 is about 513.1942578303.

The spelling of 135159123 in words is "one hundred thirty-five million, one hundred fifty-nine thousand, one hundred twenty-three".