135225419 has 16 divisors (see below), whose sum is σ = 159648192. Its totient is φ = 112140288.

The previous prime is 135225403. The next prime is 135225437. The reversal of 135225419 is 914522531.

It is a cyclic number.

It is not a de Polignac number, because 135225419 - 2⁴ = 135225403 is a prime.

It is a super-2 number, since 2×135225419² = 36571827887451122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135225449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24587 + ... + 29579.

It is an arithmetic number, because the mean of its divisors is an integer number (9978012).

Almost surely, 2^135225419 is an apocalyptic number.

135225419 is a deficient number, since it is larger than the sum of its proper divisors (24422773).

135225419 is an equidigital number, since it uses as much as digits as its factorization.

135225419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126.

The product of its digits is 10800, while the sum is 32.

The square root of 135225419 is about 11628.6464818568. The cubic root of 135225419 is about 513.2781519459.

The spelling of 135225419 in words is "one hundred thirty-five million, two hundred twenty-five thousand, four hundred nineteen".