135273515 has 12 divisors (see below), whose sum is σ = 175776624. Its totient is φ = 99893664.

The previous prime is 135273499. The next prime is 135273527. The reversal of 135273515 is 515372531.

It is not a de Polignac number, because 135273515 - 2⁴ = 135273499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79199 + ... + 80888.

It is an arithmetic number, because the mean of its divisors is an integer number (14648052).

Almost surely, 2^135273515 is an apocalyptic number.

135273515 is a deficient number, since it is larger than the sum of its proper divisors (40503109).

135273515 is a wasteful number, since it uses less digits than its factorization.

135273515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160118 (or 160105 counting only the distinct ones).

The product of its digits is 15750, while the sum is 32.

The square root of 135273515 is about 11630.7142944877. The cubic root of 135273515 is about 513.3389977543.

The spelling of 135273515 in words is "one hundred thirty-five million, two hundred seventy-three thousand, five hundred fifteen".