135085475 has 12 divisors (see below), whose sum is σ = 191435664. Its totient is φ = 92629920.

The previous prime is 135085471. The next prime is 135085477. The reversal of 135085475 is 574580531.

It is not a de Polignac number, because 135085475 - 2² = 135085471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135085471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385784 + ... + 386133.

It is an arithmetic number, because the mean of its divisors is an integer number (15952972).

Almost surely, 2^135085475 is an apocalyptic number.

135085475 is a deficient number, since it is larger than the sum of its proper divisors (56350189).

135085475 is an equidigital number, since it uses as much as digits as its factorization.

135085475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771934 (or 771929 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 135085475 is about 11622.6277149361. The cubic root of 135085475 is about 513.1010279718.

The spelling of 135085475 in words is "one hundred thirty-five million, eighty-five thousand, four hundred seventy-five".