135288789 has 8 divisors (see below), whose sum is σ = 183342432. Its totient is φ = 88713840.

The previous prime is 135288787. The next prime is 135288841. The reversal of 135288789 is 987882531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135288789 - 2¹ = 135288787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135288781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369459 + ... + 369824.

It is an arithmetic number, because the mean of its divisors is an integer number (22917804).

Almost surely, 2^135288789 is an apocalyptic number.

It is an amenable number.

135288789 is a deficient number, since it is larger than the sum of its proper divisors (48053643).

135288789 is an equidigital number, since it uses as much as digits as its factorization.

135288789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739347.

The product of its digits is 967680, while the sum is 51.

The square root of 135288789 is about 11631.3708994254. The cubic root of 135288789 is about 513.3583177341.

The spelling of 135288789 in words is "one hundred thirty-five million, two hundred eighty-eight thousand, seven hundred eighty-nine".