135224446 has 8 divisors (see below), whose sum is σ = 231813360. Its totient is φ = 57953328.

The previous prime is 135224431. The next prime is 135224461. The reversal of 135224446 is 644422531.

It is an interprime number because it is at equal distance from previous prime (135224431) and next prime (135224461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4829431 + ... + 4829458.

It is an arithmetic number, because the mean of its divisors is an integer number (28976670).

Almost surely, 2^135224446 is an apocalyptic number.

135224446 is a deficient number, since it is larger than the sum of its proper divisors (96588914).

135224446 is an equidigital number, since it uses as much as digits as its factorization.

135224446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9658898.

The product of its digits is 23040, while the sum is 31.

The square root of 135224446 is about 11628.6046454422. The cubic root of 135224446 is about 513.2769208636.

Adding to 135224446 its reverse (644422531), we get a palindrome (779646977).

The spelling of 135224446 in words is "one hundred thirty-five million, two hundred twenty-four thousand, four hundred forty-six".