135042452605 has 8 divisors (see below), whose sum is σ = 162290313432. Its totient is φ = 107874381888.

The previous prime is 135042452593. The next prime is 135042452651. The reversal of 135042452605 is 506254240531.

It can be written as a sum of positive squares in 4 ways, for example, as 26504491204 + 108537961401 = 162802^2 + 329451^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135042452605 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 19943802 + ... + 19950571.

It is an arithmetic number, because the mean of its divisors is an integer number (20286289179).

Almost surely, 2^135042452605 is an apocalyptic number.

It is an amenable number.

135042452605 is a deficient number, since it is larger than the sum of its proper divisors (27247860827).

135042452605 is an equidigital number, since it uses as much as digits as its factorization.

135042452605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39895055.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 135042452605 in words is "one hundred thirty-five billion, forty-two million, four hundred fifty-two thousand, six hundred five".