135005245 has 8 divisors (see below), whose sum is σ = 171536184. Its totient is φ = 101650944.

The previous prime is 135005219. The next prime is 135005249. The reversal of 135005245 is 542500531.

It can be written as a sum of positive squares in 4 ways, for example, as 20985561 + 114019684 = 4581^2 + 10678^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 135005245 - 2²⁵ = 101450813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135005249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794064 + ... + 794233.

It is an arithmetic number, because the mean of its divisors is an integer number (21442023).

Almost surely, 2^135005245 is an apocalyptic number.

It is an amenable number.

135005245 is a deficient number, since it is larger than the sum of its proper divisors (36530939).

135005245 is a wasteful number, since it uses less digits than its factorization.

135005245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588319.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 135005245 is about 11619.1757452928. The cubic root of 135005245 is about 512.9994274902. Note that the first 3 decimals are identical.

Adding to 135005245 its reverse (542500531), we get a palindrome (677505776).

The spelling of 135005245 in words is "one hundred thirty-five million, five thousand, two hundred forty-five".