135578875115 has 4 divisors (see below), whose sum is σ = 162694650144. Its totient is φ = 108463100088.

The previous prime is 135578875093. The next prime is 135578875121. The reversal of 135578875115 is 511578875531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511578875531 = 2239 ⋅228485429.

It is a cyclic number.

It is not a de Polignac number, because 135578875115 - 2²⁶ = 135511766251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13557887507 + ... + 13557887516.

It is an arithmetic number, because the mean of its divisors is an integer number (40673662536).

Almost surely, 2^135578875115 is an apocalyptic number.

135578875115 is a deficient number, since it is larger than the sum of its proper divisors (27115775029).

135578875115 is an equidigital number, since it uses as much as digits as its factorization.

135578875115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27115775028.

The product of its digits is 5880000, while the sum is 56.

The spelling of 135578875115 in words is "one hundred thirty-five billion, five hundred seventy-eight million, eight hundred seventy-five thousand, one hundred fifteen".