135224071 has 4 divisors (see below), whose sum is σ = 139887000. Its totient is φ = 130561144.

The previous prime is 135224057. The next prime is 135224081. The reversal of 135224071 is 170422531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135224071 - 2⁵ = 135224039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135224021) 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 3 ways as a sum of consecutive naturals, for example, 2331421 + ... + 2331478.

It is an arithmetic number, because the mean of its divisors is an integer number (34971750).

Almost surely, 2^135224071 is an apocalyptic number.

135224071 is a deficient number, since it is larger than the sum of its proper divisors (4662929).

135224071 is an equidigital number, since it uses as much as digits as its factorization.

135224071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662928.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 135224071 is about 11628.5885213985. The cubic root of 135224071 is about 513.2764463956.

The spelling of 135224071 in words is "one hundred thirty-five million, two hundred twenty-four thousand, seventy-one".