135370565 has 12 divisors (see below), whose sum is σ = 178555692. Its totient is φ = 98450880.

The previous prime is 135370559. The next prime is 135370577. The reversal of 135370565 is 565073531.

It can be written as a sum of positive squares in 2 ways, for example, as 30492484 + 104878081 = 5522^2 + 10241^2 .

It is not a de Polignac number, because 135370565 - 2⁴ = 135370549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111272 + ... + 112481.

It is an arithmetic number, because the mean of its divisors is an integer number (14879641).

Almost surely, 2^135370565 is an apocalyptic number.

It is an amenable number.

135370565 is a deficient number, since it is larger than the sum of its proper divisors (43185127).

135370565 is a wasteful number, since it uses less digits than its factorization.

135370565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223780 (or 223769 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 35.

The square root of 135370565 is about 11634.8856891677. The cubic root of 135370565 is about 513.4617309204.

The spelling of 135370565 in words is "one hundred thirty-five million, three hundred seventy thousand, five hundred sixty-five".