135243132115 has 48 divisors (see below), whose sum is σ = 210810091968. Its totient is φ = 81098848512.

The previous prime is 135243132107. The next prime is 135243132161. The reversal of 135243132115 is 511231342531.

It is not a de Polignac number, because 135243132115 - 2³ = 135243132107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247432 + ... + 575941.

It is an arithmetic number, because the mean of its divisors is an integer number (4391876916).

Almost surely, 2^135243132115 is an apocalyptic number.

135243132115 is a deficient number, since it is larger than the sum of its proper divisors (75566959853).

135243132115 is a wasteful number, since it uses less digits than its factorization.

135243132115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823436 (or 823417 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

Adding to 135243132115 its reverse (511231342531), we get a palindrome (646474474646).

The spelling of 135243132115 in words is "one hundred thirty-five billion, two hundred forty-three million, one hundred thirty-two thousand, one hundred fifteen".