135504456 has 16 divisors (see below), whose sum is σ = 338761200. Its totient is φ = 45168144.

The previous prime is 135504451. The next prime is 135504461. The reversal of 135504456 is 654405531.

It is an interprime number because it is at equal distance from previous prime (135504451) and next prime (135504461).

It is a super-2 number, since 2×135504456² = 36722915191711872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135504451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822986 + ... + 2823033.

It is an arithmetic number, because the mean of its divisors is an integer number (21172575).

Almost surely, 2^135504456 is an apocalyptic number.

It is an amenable number.

135504456 is an abundant number, since it is smaller than the sum of its proper divisors (203256744).

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

135504456 is a wasteful number, since it uses less digits than its factorization.

135504456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646028 (or 5646024 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 135504456 is about 11640.6381268382. The cubic root of 135504456 is about 513.6309583827.

Adding to 135504456 its reverse (654405531), we get a palindrome (789909987).

The spelling of 135504456 in words is "one hundred thirty-five million, five hundred four thousand, four hundred fifty-six".