135203066 has 8 divisors (see below), whose sum is σ = 202896660. Its totient is φ = 67570848.

The previous prime is 135203041. The next prime is 135203071. The reversal of 135203066 is 660302531.

It can be written as a sum of positive squares in 2 ways, for example, as 116532025 + 18671041 = 10795^2 + 4321^2 .

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

It is a Curzon 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, 9371 + ... + 18926.

Almost surely, 2^135203066 is an apocalyptic number.

135203066 is a deficient number, since it is larger than the sum of its proper divisors (67693594).

135203066 is a wasteful number, since it uses less digits than its factorization.

135203066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30688.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 135203066 is about 11627.6853242595. The cubic root of 135203066 is about 513.2498684598.

Adding to 135203066 its reverse (660302531), we get a palindrome (795505597).

The spelling of 135203066 in words is "one hundred thirty-five million, two hundred three thousand, sixty-six".