135171513 has 12 divisors (see below), whose sum is σ = 195706368. Its totient is φ = 89902680.

The previous prime is 135171503. The next prime is 135171541. The reversal of 135171513 is 315171531.

135171513 is a `hidden beast` number, since 135 + 17 + 1 + 513 = 666.

It is not a de Polignac number, because 135171513 - 2⁵ = 135171481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135171503) 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, 13545 + ... + 21302.

It is an arithmetic number, because the mean of its divisors is an integer number (16308864).

Almost surely, 2^135171513 is an apocalyptic number.

It is an amenable number.

135171513 is a deficient number, since it is larger than the sum of its proper divisors (60534855).

135171513 is a wasteful number, since it uses less digits than its factorization.

135171513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35284 (or 35281 counting only the distinct ones).

The product of its digits is 1575, while the sum is 27.

The square root of 135171513 is about 11626.3284402257. The cubic root of 135171513 is about 513.2099388104.

The spelling of 135171513 in words is "one hundred thirty-five million, one hundred seventy-one thousand, five hundred thirteen".