135117136 has 40 divisors (see below), whose sum is σ = 326389824. Its totient is φ = 52642560.

The previous prime is 135117133. The next prime is 135117149. The reversal of 135117136 is 631711531.

135117136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135117131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53605 + ... + 56068.

Almost surely, 2^135117136 is an apocalyptic number.

135117136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135117136 is an abundant number, since it is smaller than the sum of its proper divisors (191272688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135117136 is a wasteful number, since it uses less digits than its factorization.

135117136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109699 (or 109693 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 135117136 is about 11623.9896765267. The cubic root of 135117136 is about 513.1411112910.

Adding to 135117136 its reverse (631711531), we get a palindrome (766828667).

The spelling of 135117136 in words is "one hundred thirty-five million, one hundred seventeen thousand, one hundred thirty-six".