135504424 has 32 divisors (see below), whose sum is σ = 281723040. Its totient is φ = 60580800.

The previous prime is 135504407. The next prime is 135504451. The reversal of 135504424 is 424405531.

It is a super-2 number, since 2×135504424² = 36722897847143552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135504392 and 135504401.

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, 7254 + ... + 17989.

It is an arithmetic number, because the mean of its divisors is an integer number (8803845).

Almost surely, 2^135504424 is an apocalyptic number.

It is an amenable number.

135504424 is an abundant number, since it is smaller than the sum of its proper divisors (146218616).

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

135504424 is a wasteful number, since it uses less digits than its factorization.

135504424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25321 (or 25317 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 135504424 is about 11640.6367523431. The cubic root of 135504424 is about 513.6309179506.

Adding to 135504424 its reverse (424405531), we get a palindrome (559909955).

The spelling of 135504424 in words is "one hundred thirty-five million, five hundred four thousand, four hundred twenty-four".