135530365 has 4 divisors (see below), whose sum is σ = 162636444. Its totient is φ = 108424288.

The previous prime is 135530333. The next prime is 135530377. The reversal of 135530365 is 563035531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563035531 = 19 ⋅29633449.

It can be written as a sum of positive squares in 2 ways, for example, as 31775769 + 103754596 = 5637^2 + 10186^2 .

It is a cyclic number.

It is not a de Polignac number, because 135530365 - 2⁵ = 135530333 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13553032 + ... + 13553041.

It is an arithmetic number, because the mean of its divisors is an integer number (40659111).

Almost surely, 2^135530365 is an apocalyptic number.

It is an amenable number.

135530365 is a deficient number, since it is larger than the sum of its proper divisors (27106079).

135530365 is an equidigital number, since it uses as much as digits as its factorization.

135530365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27106078.

The product of its (nonzero) digits is 20250, while the sum is 31.

The square root of 135530365 is about 11641.7509421908. The cubic root of 135530365 is about 513.6636924020.

Adding to 135530365 its reverse (563035531), we get a palindrome (698565896).

The spelling of 135530365 in words is "one hundred thirty-five million, five hundred thirty thousand, three hundred sixty-five".