135889385 has 16 divisors (see below), whose sum is σ = 166095360. Its totient is φ = 106706880.

The previous prime is 135889373. The next prime is 135889409. The reversal of 135889385 is 583988531.

It is not a de Polignac number, because 135889385 - 2²⁰ = 134840809 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94784 + ... + 96206.

It is an arithmetic number, because the mean of its divisors is an integer number (10380960).

Almost surely, 2^135889385 is an apocalyptic number.

It is an amenable number.

135889385 is a deficient number, since it is larger than the sum of its proper divisors (30205975).

135889385 is a wasteful number, since it uses less digits than its factorization.

135889385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its digits is 1036800, while the sum is 50.

The square root of 135889385 is about 11657.1602459604. The cubic root of 135889385 is about 514.1168576124.

The spelling of 135889385 in words is "one hundred thirty-five million, eight hundred eighty-nine thousand, three hundred eighty-five".