135201011 has 4 divisors (see below), whose sum is σ = 147492024. Its totient is φ = 122910000.

The previous prime is 135200981. The next prime is 135201019. The reversal of 135201011 is 110102531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135201011 - 2²⁶ = 68092147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135201019) 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 3 ways as a sum of consecutive naturals, for example, 6145490 + ... + 6145511.

It is an arithmetic number, because the mean of its divisors is an integer number (36873006).

Almost surely, 2^135201011 is an apocalyptic number.

135201011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135201011 is a deficient number, since it is larger than the sum of its proper divisors (12291013).

135201011 is a wasteful number, since it uses less digits than its factorization.

135201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291012.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 135201011 is about 11627.5969572393. The cubic root of 135201011 is about 513.2472680902.

Adding to 135201011 its reverse (110102531), we get a palindrome (245303542).

The spelling of 135201011 in words is "one hundred thirty-five million, two hundred one thousand, eleven".