135530222 has 16 divisors (see below), whose sum is σ = 219318192. Its totient is φ = 62574720.

The previous prime is 135530207. The next prime is 135530261. The reversal of 135530222 is 222035531.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35804 + ... + 39407.

It is an arithmetic number, because the mean of its divisors is an integer number (13707387).

Almost surely, 2^135530222 is an apocalyptic number.

135530222 is a deficient number, since it is larger than the sum of its proper divisors (83787970).

135530222 is a wasteful number, since it uses less digits than its factorization.

135530222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75283.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135530222 is about 11641.7448005013. The cubic root of 135530222 is about 513.6635117440.

Adding to 135530222 its reverse (222035531), we get a palindrome (357565753).

The spelling of 135530222 in words is "one hundred thirty-five million, five hundred thirty thousand, two hundred twenty-two".