135075305 has 8 divisors (see below), whose sum is σ = 162444744. Its totient is φ = 107824000.

The previous prime is 135075253. The next prime is 135075371. The reversal of 135075305 is 503570531.

It can be written as a sum of positive squares in 4 ways, for example, as 4932841 + 130142464 = 2221^2 + 11408^2 .

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

It is not a de Polignac number, because 135075305 - 2²⁶ = 67966441 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, 26996 + ... + 31605.

It is an arithmetic number, because the mean of its divisors is an integer number (20305593).

Almost surely, 2^135075305 is an apocalyptic number.

It is an amenable number.

135075305 is a deficient number, since it is larger than the sum of its proper divisors (27369439).

135075305 is an equidigital number, since it uses as much as digits as its factorization.

135075305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59067.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 135075305 is about 11622.1901980651. The cubic root of 135075305 is about 513.0881512644.

The spelling of 135075305 in words is "one hundred thirty-five million, seventy-five thousand, three hundred five".