135223544 has 8 divisors (see below), whose sum is σ = 253544160. Its totient is φ = 67611768.

The previous prime is 135223537. The next prime is 135223573. The reversal of 135223544 is 445322531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8451464 + ... + 8451479.

It is an arithmetic number, because the mean of its divisors is an integer number (31693020).

Almost surely, 2^135223544 is an apocalyptic number.

It is an amenable number.

135223544 is a deficient number, since it is larger than the sum of its proper divisors (118320616).

135223544 is a wasteful number, since it uses less digits than its factorization.

135223544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16902949 (or 16902945 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 135223544 is about 11628.5658617045. The cubic root of 135223544 is about 513.2757796084.

The spelling of 135223544 in words is "one hundred thirty-five million, two hundred twenty-three thousand, five hundred forty-four".