135240133 has 8 divisors (see below), whose sum is σ = 156061568. Its totient is φ = 114794064.

The previous prime is 135240121. The next prime is 135240167. The reversal of 135240133 is 331042531.

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

It is not a de Polignac number, because 135240133 - 2²¹ = 133142981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135240433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93066 + ... + 94507.

It is an arithmetic number, because the mean of its divisors is an integer number (19507696).

Almost surely, 2^135240133 is an apocalyptic number.

It is an amenable number.

135240133 is a deficient number, since it is larger than the sum of its proper divisors (20821435).

135240133 is a wasteful number, since it uses less digits than its factorization.

135240133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187683.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 135240133 is about 11629.2791264119. The cubic root of 135240133 is about 513.2967680238.

Adding to 135240133 its reverse (331042531), we get a palindrome (466282664).

The spelling of 135240133 in words is "one hundred thirty-five million, two hundred forty thousand, one hundred thirty-three".