135102309 has 8 divisors (see below), whose sum is σ = 185947392. Its totient is φ = 87162720.

The previous prime is 135102287. The next prime is 135102313. The reversal of 135102309 is 903201531.

It is a happy number.

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

It is not a de Polignac number, because 135102309 - 2⁵ = 135102277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135102379) 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, 726264 + ... + 726449.

It is an arithmetic number, because the mean of its divisors is an integer number (23243424).

Almost surely, 2^135102309 is an apocalyptic number.

It is an amenable number.

135102309 is a deficient number, since it is larger than the sum of its proper divisors (50845083).

135102309 is a wasteful number, since it uses less digits than its factorization.

135102309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452747.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 135102309 is about 11623.3518831704. The cubic root of 135102309 is about 513.1223408577.

The spelling of 135102309 in words is "one hundred thirty-five million, one hundred two thousand, three hundred nine".