135889163 has 4 divisors (see below), whose sum is σ = 135922608. Its totient is φ = 135855720.

The previous prime is 135889153. The next prime is 135889181. The reversal of 135889163 is 361988531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135889163 - 2¹² = 135885067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135889133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9623 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (33980652).

Almost surely, 2^135889163 is an apocalyptic number.

135889163 is a deficient number, since it is larger than the sum of its proper divisors (33445).

135889163 is an equidigital number, since it uses as much as digits as its factorization.

135889163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33444.

The product of its digits is 155520, while the sum is 44.

The square root of 135889163 is about 11657.1507239119. The cubic root of 135889163 is about 514.1165776445.

The spelling of 135889163 in words is "one hundred thirty-five million, eight hundred eighty-nine thousand, one hundred sixty-three".