135889317 has 6 divisors (see below), whose sum is σ = 196284582. Its totient is φ = 90592872.

The previous prime is 135889307. The next prime is 135889357. The reversal of 135889317 is 713988531.

It can be written as a sum of positive squares in only one way, i.e., 69205761 + 66683556 = 8319^2 + 8166^2 .

It is not a de Polignac number, because 135889317 - 2⁶ = 135889253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135889307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7549398 + ... + 7549415.

It is an arithmetic number, because the mean of its divisors is an integer number (32714097).

Almost surely, 2^135889317 is an apocalyptic number.

It is an amenable number.

135889317 is a deficient number, since it is larger than the sum of its proper divisors (60395265).

135889317 is a wasteful number, since it uses less digits than its factorization.

135889317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15098819 (or 15098816 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 135889317 is about 11657.1573292977. The cubic root of 135889317 is about 514.1167718565.

The spelling of 135889317 in words is "one hundred thirty-five million, eight hundred eighty-nine thousand, three hundred seventeen".