135087305 has 8 divisors (see below), whose sum is σ = 167334144. Its totient is φ = 104583600.

The previous prime is 135087299. The next prime is 135087311. The reversal of 135087305 is 503780531.

It is an interprime number because it is at equal distance from previous prime (135087299) and next prime (135087311).

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

It is not a de Polignac number, because 135087305 - 2⁶ = 135087241 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, 435611 + ... + 435920.

It is an arithmetic number, because the mean of its divisors is an integer number (20916768).

Almost surely, 2^135087305 is an apocalyptic number.

It is an amenable number.

135087305 is a deficient number, since it is larger than the sum of its proper divisors (32246839).

135087305 is an equidigital number, since it uses as much as digits as its factorization.

135087305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871567.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 135087305 is about 11622.7064404122. The cubic root of 135087305 is about 513.1033449508.

The spelling of 135087305 in words is "one hundred thirty-five million, eighty-seven thousand, three hundred five".