135210515 has 8 divisors (see below), whose sum is σ = 177002928. Its totient is φ = 98334880.

The previous prime is 135210461. The next prime is 135210541. The reversal of 135210515 is 515012531.

It is a happy number.

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

It is not a de Polignac number, because 135210515 - 2⁶ = 135210451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229132 + ... + 1229241.

It is an arithmetic number, because the mean of its divisors is an integer number (22125366).

Almost surely, 2^135210515 is an apocalyptic number.

135210515 is a deficient number, since it is larger than the sum of its proper divisors (41792413).

135210515 is a wasteful number, since it uses less digits than its factorization.

135210515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458389.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 135210515 is about 11628.0056329536. The cubic root of 135210515 is about 513.2592941042.

The spelling of 135210515 in words is "one hundred thirty-five million, two hundred ten thousand, five hundred fifteen".