135245136 has 80 divisors (see below), whose sum is σ = 378545216. Its totient is φ = 41361408.

The previous prime is 135245119. The next prime is 135245137. The reversal of 135245136 is 631542531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135245137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119871 + ... + 120993.

Almost surely, 2^135245136 is an apocalyptic number.

135245136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135245136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189272608).

135245136 is an abundant number, since it is smaller than the sum of its proper divisors (243300080).

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

135245136 is a wasteful number, since it uses less digits than its factorization.

135245136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1334 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 135245136 is about 11629.4942280393. The cubic root of 135245136 is about 513.3030974864.

Adding to 135245136 its reverse (631542531), we get a palindrome (766787667).

The spelling of 135245136 in words is "one hundred thirty-five million, two hundred forty-five thousand, one hundred thirty-six".