135065125136 has 20 divisors (see below), whose sum is σ = 261770787264. Its totient is φ = 67511373600.

The previous prime is 135065125133. The next prime is 135065125159. The reversal of 135065125136 is 631521560531.

It is a self number, because there is not a number n which added to its sum of digits gives 135065125136.

It is not an unprimeable number, because it can be changed into a prime (135065125133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271660 + ... + 1373771.

Almost surely, 2^135065125136 is an apocalyptic number.

135065125136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135065125136 is a deficient number, since it is larger than the sum of its proper divisors (126705662128).

135065125136 is a wasteful number, since it uses less digits than its factorization.

135065125136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648630 (or 2648624 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

Adding to 135065125136 its reverse (631521560531), we get a palindrome (766586685667).

The spelling of 135065125136 in words is "one hundred thirty-five billion, sixty-five million, one hundred twenty-five thousand, one hundred thirty-six".