135081003 has 8 divisors (see below), whose sum is σ = 180527616. Its totient is φ = 89844200.

The previous prime is 135080987. The next prime is 135081049. The reversal of 135081003 is 300180531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 135081003 - 2⁴ = 135080987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135081083) 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, 50943 + ... + 53528.

It is an arithmetic number, because the mean of its divisors is an integer number (22565952).

Almost surely, 2^135081003 is an apocalyptic number.

135081003 is a deficient number, since it is larger than the sum of its proper divisors (45446613).

135081003 is a wasteful number, since it uses less digits than its factorization.

135081003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104905.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 135081003 is about 11622.4353299986. The cubic root of 135081003 is about 513.0953658454.

The spelling of 135081003 in words is "one hundred thirty-five million, eighty-one thousand, three".