135708517 has 16 divisors (see below), whose sum is σ = 157151232. Its totient is φ = 114791040.

The previous prime is 135708511. The next prime is 135708527. The reversal of 135708517 is 715807531.

It is not a de Polignac number, because 135708517 - 2⁷ = 135708389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135708511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260217 + ... + 260737.

It is an arithmetic number, because the mean of its divisors is an integer number (9821952).

Almost surely, 2^135708517 is an apocalyptic number.

It is an amenable number.

135708517 is a deficient number, since it is larger than the sum of its proper divisors (21442715).

135708517 is a wasteful number, since it uses less digits than its factorization.

135708517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 135708517 is about 11649.3998557866. The cubic root of 135708517 is about 513.8886607999. Note that the first 3 decimals are identical.

The spelling of 135708517 in words is "one hundred thirty-five million, seven hundred eight thousand, five hundred seventeen".