135544003 has 8 divisors (see below), whose sum is σ = 155460960. Its totient is φ = 115765440.

The previous prime is 135544001. The next prime is 135544021. The reversal of 135544003 is 300445531.

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

It is not a de Polignac number, because 135544003 - 2¹ = 135544001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135544001) by changing a digit.

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, 32488 + ... + 36421.

It is an arithmetic number, because the mean of its divisors is an integer number (19432620).

Almost surely, 2^135544003 is an apocalyptic number.

135544003 is a deficient number, since it is larger than the sum of its proper divisors (19916957).

135544003 is an equidigital number, since it uses as much as digits as its factorization.

135544003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69197.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 135544003 is about 11642.3366640894. The cubic root of 135544003 is about 513.6809212852.

Adding to 135544003 its reverse (300445531), we get a palindrome (435989534).

The spelling of 135544003 in words is "one hundred thirty-five million, five hundred forty-four thousand, three".