135503304 has 32 divisors (see below), whose sum is σ = 353488320. Its totient is φ = 43203776.

The previous prime is 135503293. The next prime is 135503321. The reversal of 135503304 is 403305531.

It is a happy number.

It is a super-2 number, since 2×135503304² = 36722290789832832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122187 + ... + 123290.

It is an arithmetic number, because the mean of its divisors is an integer number (11046510).

Almost surely, 2^135503304 is an apocalyptic number.

It is an amenable number.

135503304 is an abundant number, since it is smaller than the sum of its proper divisors (217985016).

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

135503304 is a wasteful number, since it uses less digits than its factorization.

135503304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245509 (or 245505 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 135503304 is about 11640.5886449097. The cubic root of 135503304 is about 513.6295028229.

Adding to 135503304 its reverse (403305531), we get a palindrome (538808835).

The spelling of 135503304 in words is "one hundred thirty-five million, five hundred three thousand, three hundred four".