135637227 has 32 divisors (see below), whose sum is σ = 225154560. Its totient is φ = 79976160.

The previous prime is 135637223. The next prime is 135637241. The reversal of 135637227 is 722736531.

135637227 is a `hidden beast` number, since 1 + 3 + 563 + 72 + 27 = 666.

It is not a de Polignac number, because 135637227 - 2² = 135637223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135637191 and 135637200.

It is not an unprimeable number, because it can be changed into a prime (135637223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4818 + ... + 17160.

It is an arithmetic number, because the mean of its divisors is an integer number (7036080).

Almost surely, 2^135637227 is an apocalyptic number.

135637227 is a deficient number, since it is larger than the sum of its proper divisors (89517333).

135637227 is a wasteful number, since it uses less digits than its factorization.

135637227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400 (or 12394 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 135637227 is about 11646.3396395606. The cubic root of 135637227 is about 513.7986602106.

It can be divided in two parts, 1356 and 37227, that added together give a palindrome (38583).

The spelling of 135637227 in words is "one hundred thirty-five million, six hundred thirty-seven thousand, two hundred twenty-seven".