135123144115 has 8 divisors (see below), whose sum is σ = 164567889360. Its totient is φ = 106485104352.

The previous prime is 135123144083. The next prime is 135123144137. The reversal of 135123144115 is 511441321531.

It is a happy number.

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 135123144115 - 2⁵ = 135123144083 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, 201676000 + ... + 201676669.

It is an arithmetic number, because the mean of its divisors is an integer number (20570986170).

Almost surely, 2^135123144115 is an apocalyptic number.

135123144115 is a deficient number, since it is larger than the sum of its proper divisors (29444745245).

135123144115 is an equidigital number, since it uses as much as digits as its factorization.

135123144115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403352741.

The product of its digits is 7200, while the sum is 31.

Adding to 135123144115 its reverse (511441321531), we get a palindrome (646564465646).

The spelling of 135123144115 in words is "one hundred thirty-five billion, one hundred twenty-three million, one hundred forty-four thousand, one hundred fifteen".