135550515 has 16 divisors (see below), whose sum is σ = 218340000. Its totient is φ = 71807232.

The previous prime is 135550483. The next prime is 135550531. The reversal of 135550515 is 515055531.

135550515 is nontrivially palindromic in base 9.

It is not a de Polignac number, because 135550515 - 2⁵ = 135550483 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 28090 + ... + 32559.

It is an arithmetic number, because the mean of its divisors is an integer number (13646250).

Almost surely, 2^135550515 is an apocalyptic number.

135550515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135550515 is a deficient number, since it is larger than the sum of its proper divisors (82789485).

135550515 is a wasteful number, since it uses less digits than its factorization.

135550515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60806.

The product of its (nonzero) digits is 9375, while the sum is 30.

The square root of 135550515 is about 11642.6163296744. The cubic root of 135550515 is about 513.6891474861.

The spelling of 135550515 in words is "one hundred thirty-five million, five hundred fifty thousand, five hundred fifteen".