135215354305 has 8 divisors (see below), whose sum is σ = 170798342400. Its totient is φ = 102479005296.

The previous prime is 135215354243. The next prime is 135215354321. The reversal of 135215354305 is 503453512531.

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

It is a cyclic number.

It is not a de Polignac number, because 135215354305 - 2⁷ = 135215354177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711659665 + ... + 711659854.

It is an arithmetic number, because the mean of its divisors is an integer number (21349792800).

Almost surely, 2^135215354305 is an apocalyptic number.

It is an amenable number.

135215354305 is a deficient number, since it is larger than the sum of its proper divisors (35582988095).

135215354305 is a wasteful number, since it uses less digits than its factorization.

135215354305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423319543.

The product of its (nonzero) digits is 135000, while the sum is 37.

Adding to 135215354305 its reverse (503453512531), we get a palindrome (638668866836).

The spelling of 135215354305 in words is "one hundred thirty-five billion, two hundred fifteen million, three hundred fifty-four thousand, three hundred five".