135005504 has 14 divisors (see below), whose sum is σ = 267901674. Its totient is φ = 67502720.

The previous prime is 135005501. The next prime is 135005531. The reversal of 135005504 is 405500531.

It can be written as a sum of positive squares in only one way, i.e., 74787904 + 60217600 = 8648^2 + 7760^2 .

It is a super-2 number, since 2×135005504² = 36452972220588032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135005504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135005501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054667 + ... + 1054794.

Almost surely, 2^135005504 is an apocalyptic number.

It is an amenable number.

135005504 is a deficient number, since it is larger than the sum of its proper divisors (132896170).

135005504 is an equidigital number, since it uses as much as digits as its factorization.

135005504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109473 (or 2109463 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 135005504 is about 11619.1868906563. The cubic root of 135005504 is about 512.9997555435. Note that the first 3 decimals are identical.

The spelling of 135005504 in words is "one hundred thirty-five million, five thousand, five hundred four".