135042305 has 8 divisors (see below), whose sum is σ = 171583272. Its totient is φ = 101678848.

The previous prime is 135042277. The next prime is 135042311. The reversal of 135042305 is 503240531.

It can be written as a sum of positive squares in 4 ways, for example, as 51940849 + 83101456 = 7207^2 + 9116^2 .

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 135042305 - 2¹⁰ = 135041281 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, 794282 + ... + 794451.

It is an arithmetic number, because the mean of its divisors is an integer number (21447909).

Almost surely, 2^135042305 is an apocalyptic number.

It is an amenable number.

135042305 is a deficient number, since it is larger than the sum of its proper divisors (36540967).

135042305 is a wasteful number, since it uses less digits than its factorization.

135042305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588755.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135042305 is about 11620.7704133590. The cubic root of 135042305 is about 513.0463639862.

Adding to 135042305 its reverse (503240531), we get a palindrome (638282836).

The spelling of 135042305 in words is "one hundred thirty-five million, forty-two thousand, three hundred five".