135537265 has 8 divisors (see below), whose sum is σ = 163344168. Its totient is φ = 107963520.

The previous prime is 135537223. The next prime is 135537287. The reversal of 135537265 is 562735531.

It can be written as a sum of positive squares in 4 ways, for example, as 10969344 + 124567921 = 3312^2 + 11161^2 .

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

It is not a de Polignac number, because 135537265 - 2¹⁵ = 135504497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57006 + ... + 59335.

It is an arithmetic number, because the mean of its divisors is an integer number (20418021).

Almost surely, 2^135537265 is an apocalyptic number.

It is an amenable number.

135537265 is a deficient number, since it is larger than the sum of its proper divisors (27806903).

135537265 is a wasteful number, since it uses less digits than its factorization.

135537265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116579.

The product of its digits is 94500, while the sum is 37.

The square root of 135537265 is about 11642.0472855937. The cubic root of 135537265 is about 513.6724093153.

The spelling of 135537265 in words is "one hundred thirty-five million, five hundred thirty-seven thousand, two hundred sixty-five".