135346809 has 16 divisors (see below), whose sum is σ = 205777152. Its totient is φ = 78390528.

The previous prime is 135346807. The next prime is 135346811. The reversal of 135346809 is 908643531.

It is an interprime number because it is at equal distance from previous prime (135346807) and next prime (135346811).

It is not a de Polignac number, because 135346809 - 2¹ = 135346807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (135346801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101409 + ... + 102734.

It is an arithmetic number, because the mean of its divisors is an integer number (12861072).

Almost surely, 2^135346809 is an apocalyptic number.

It is an amenable number.

135346809 is a deficient number, since it is larger than the sum of its proper divisors (70430343).

135346809 is a wasteful number, since it uses less digits than its factorization.

135346809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204176.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 135346809 is about 11633.8647490849. The cubic root of 135346809 is about 513.4316935917.

The spelling of 135346809 in words is "one hundred thirty-five million, three hundred forty-six thousand, eight hundred nine".