135505227 has 32 divisors (see below), whose sum is σ = 213244416. Its totient is φ = 75456000.

The previous prime is 135505199. The next prime is 135505267. The reversal of 135505227 is 722505531.

It is not a de Polignac number, because 135505227 - 2¹⁶ = 135439691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135505194 and 135505203.

It is not an unprimeable number, because it can be changed into a prime (135505267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112227 + ... + 113427.

It is an arithmetic number, because the mean of its divisors is an integer number (6663888).

Almost surely, 2^135505227 is an apocalyptic number.

135505227 is a deficient number, since it is larger than the sum of its proper divisors (77739189).

135505227 is a wasteful number, since it uses less digits than its factorization.

135505227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 135505227 is about 11640.6712435323. The cubic root of 135505227 is about 513.6319325419.

The spelling of 135505227 in words is "one hundred thirty-five million, five hundred five thousand, two hundred twenty-seven".