135033240 has 64 divisors (see below), whose sum is σ = 407403360. Its totient is φ = 35804160.

The previous prime is 135033229. The next prime is 135033271. The reversal of 135033240 is 42330531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18612 + ... + 24828.

Almost surely, 2^135033240 is an apocalyptic number.

135033240 is a gapful number since it is divisible by the number (10) 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 135033240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203701680).

135033240 is an abundant number, since it is smaller than the sum of its proper divisors (272370120).

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

135033240 is a wasteful number, since it uses less digits than its factorization.

135033240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412 (or 6408 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 135033240 is about 11620.3803724319. The cubic root of 135033240 is about 513.0348839556.

Adding to 135033240 its reverse (42330531), we get a palindrome (177363771).

The spelling of 135033240 in words is "one hundred thirty-five million, thirty-three thousand, two hundred forty".