135512765 has 8 divisors (see below), whose sum is σ = 163053528. Its totient is φ = 108118080.

The previous prime is 135512723. The next prime is 135512779. The reversal of 135512765 is 567215531.

It can be written as a sum of positive squares in 4 ways, for example, as 465124 + 135047641 = 682^2 + 11621^2 .

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

It is not a de Polignac number, because 135512765 - 2¹⁰ = 135511741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34466 + ... + 38195.

It is an arithmetic number, because the mean of its divisors is an integer number (20381691).

Almost surely, 2^135512765 is an apocalyptic number.

It is an amenable number.

135512765 is a deficient number, since it is larger than the sum of its proper divisors (27540763).

135512765 is an equidigital number, since it uses as much as digits as its factorization.

135512765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73039.

The product of its digits is 31500, while the sum is 35.

The square root of 135512765 is about 11640.9950176091. The cubic root of 135512765 is about 513.6414566166.

The spelling of 135512765 in words is "one hundred thirty-five million, five hundred twelve thousand, seven hundred sixty-five".