135402224 has 10 divisors (see below), whose sum is σ = 262341840. Its totient is φ = 67701104.

The previous prime is 135402191. The next prime is 135402233. The reversal of 135402224 is 422204531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135402224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231304 + ... + 4231335.

It is an arithmetic number, because the mean of its divisors is an integer number (26234184).

Almost surely, 2^135402224 is an apocalyptic number.

It is an amenable number.

135402224 is a deficient number, since it is larger than the sum of its proper divisors (126939616).

135402224 is an equidigital number, since it uses as much as digits as its factorization.

135402224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462647 (or 8462641 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 135402224 is about 11636.2461300885. The cubic root of 135402224 is about 513.5017554212.

Adding to 135402224 its reverse (422204531), we get a palindrome (557606755).

The spelling of 135402224 in words is "one hundred thirty-five million, four hundred two thousand, two hundred twenty-four".