135323530215 has 32 divisors (see below), whose sum is σ = 220741744320. Its totient is φ = 70766232576.

The previous prime is 135323530207. The next prime is 135323530219. The reversal of 135323530215 is 512035323531.

It is not a de Polignac number, because 135323530215 - 2³ = 135323530207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135323530219) 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, 1229571 + ... + 1335099.

It is an arithmetic number, because the mean of its divisors is an integer number (6898179510).

Almost surely, 2^135323530215 is an apocalyptic number.

135323530215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135323530215 is a deficient number, since it is larger than the sum of its proper divisors (85418214105).

135323530215 is a wasteful number, since it uses less digits than its factorization.

135323530215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107203.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 135323530215 its reverse (512035323531), we get a palindrome (647358853746).

The spelling of 135323530215 in words is "one hundred thirty-five billion, three hundred twenty-three million, five hundred thirty thousand, two hundred fifteen".