135006303 has 8 divisors (see below), whose sum is σ = 184873648. Its totient is φ = 87571584.

The previous prime is 135006301. The next prime is 135006331. The reversal of 135006303 is 303600531.

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

It is not a de Polignac number, because 135006303 - 2¹ = 135006301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135006303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135006301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608026 + ... + 608247.

It is an arithmetic number, because the mean of its divisors is an integer number (23109206).

Almost surely, 2^135006303 is an apocalyptic number.

135006303 is a deficient number, since it is larger than the sum of its proper divisors (49867345).

135006303 is a wasteful number, since it uses less digits than its factorization.

135006303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216313.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 135006303 is about 11619.2212733901. The cubic root of 135006303 is about 513.0007675665. Note that the first 3 decimals are identical.

Adding to 135006303 its reverse (303600531), we get a palindrome (438606834).

The spelling of 135006303 in words is "one hundred thirty-five million, six thousand, three hundred three".