135533415 has 32 divisors (see below), whose sum is σ = 220936896. Its totient is φ = 70937600.

The previous prime is 135533407. The next prime is 135533417. The reversal of 135533415 is 514335531.

It is not a de Polignac number, because 135533415 - 2³ = 135533407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135533417) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 207229 + ... + 207881.

It is an arithmetic number, because the mean of its divisors is an integer number (6904278).

Almost surely, 2^135533415 is an apocalyptic number.

135533415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135533415 is a deficient number, since it is larger than the sum of its proper divisors (85403481).

135533415 is a wasteful number, since it uses less digits than its factorization.

135533415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its digits is 13500, while the sum is 30.

The square root of 135533415 is about 11641.8819354948. The cubic root of 135533415 is about 513.6675455668.

Adding to 135533415 its reverse (514335531), we get a palindrome (649868946).

The spelling of 135533415 in words is "one hundred thirty-five million, five hundred thirty-three thousand, four hundred fifteen".