135113215 has 8 divisors (see below), whose sum is σ = 162278928. Its totient is φ = 107995200.

The previous prime is 135113189. The next prime is 135113219. The reversal of 135113215 is 512311531.

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

It is not a de Polignac number, because 135113215 - 2¹⁷ = 134982143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135113219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5361 + ... + 17290.

It is an arithmetic number, because the mean of its divisors is an integer number (20284866).

Almost surely, 2^135113215 is an apocalyptic number.

135113215 is a deficient number, since it is larger than the sum of its proper divisors (27165713).

135113215 is a wasteful number, since it uses less digits than its factorization.

135113215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23849.

The product of its digits is 450, while the sum is 22.

The square root of 135113215 is about 11623.8210154837. The cubic root of 135113215 is about 513.1361475836.

Adding to 135113215 its reverse (512311531), we get a palindrome (647424746).

The spelling of 135113215 in words is "one hundred thirty-five million, one hundred thirteen thousand, two hundred fifteen".