135302215 has 32 divisors (see below), whose sum is σ = 174928896. Its totient is φ = 100235520.

The previous prime is 135302213. The next prime is 135302227. The reversal of 135302215 is 512203531.

It is not a de Polignac number, because 135302215 - 2¹ = 135302213 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 (135302213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595932 + ... + 596158.

It is an arithmetic number, because the mean of its divisors is an integer number (5466528).

Almost surely, 2^135302215 is an apocalyptic number.

135302215 is a deficient number, since it is larger than the sum of its proper divisors (39626681).

135302215 is a wasteful number, since it uses less digits than its factorization.

135302215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 135302215 is about 11631.9480311769. The cubic root of 135302215 is about 513.3752989904.

Adding to 135302215 its reverse (512203531), we get a palindrome (647505746).

The spelling of 135302215 in words is "one hundred thirty-five million, three hundred two thousand, two hundred fifteen".