135202136066 has 8 divisors (see below), whose sum is σ = 211620734784. Its totient is φ = 64661891140.

The previous prime is 135202136063. The next prime is 135202136077. The reversal of 135202136066 is 660631202531.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135202136063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469588390 + ... + 1469588481.

It is an arithmetic number, because the mean of its divisors is an integer number (26452591848).

Almost surely, 2^135202136066 is an apocalyptic number.

135202136066 is a deficient number, since it is larger than the sum of its proper divisors (76418598718).

135202136066 is a wasteful number, since it uses less digits than its factorization.

135202136066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939176896.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 135202136066 its reverse (660631202531), we get a palindrome (795833338597).

The spelling of 135202136066 in words is "one hundred thirty-five billion, two hundred two million, one hundred thirty-six thousand, sixty-six".