135603342 has 128 divisors (see below), whose sum is σ = 368640000. Its totient is φ = 36088416.

The previous prime is 135603341. The next prime is 135603371. The reversal of 135603342 is 243306531.

It is a happy number.

135603342 is a `hidden beast` number, since 13 + 5 + 603 + 3 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135603341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 567259 + ... + 567497.

It is an arithmetic number, because the mean of its divisors is an integer number (2880000).

Almost surely, 2^135603342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135603342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184320000).

135603342 is an abundant number, since it is smaller than the sum of its proper divisors (233036658).

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

135603342 is a wasteful number, since it uses less digits than its factorization.

135603342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 135603342 is about 11644.8847997737. The cubic root of 135603342 is about 513.7558707838.

Adding to 135603342 its reverse (243306531), we get a palindrome (378909873).

The spelling of 135603342 in words is "one hundred thirty-five million, six hundred three thousand, three hundred forty-two".