133542117 has 12 divisors (see below), whose sum is σ = 201281184. Its totient is φ = 85157160.

The previous prime is 133542109. The next prime is 133542121. The reversal of 133542117 is 711245331.

133542117 is a `hidden beast` number, since 1 + 3 + 3 + 542 + 117 = 666.

It is not a de Polignac number, because 133542117 - 2³ = 133542109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133542107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322359 + ... + 322772.

It is an arithmetic number, because the mean of its divisors is an integer number (16773432).

Almost surely, 2^133542117 is an apocalyptic number.

It is an amenable number.

133542117 is a deficient number, since it is larger than the sum of its proper divisors (67739067).

133542117 is a wasteful number, since it uses less digits than its factorization.

133542117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645160 (or 645157 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 133542117 is about 11556.0424454049. The cubic root of 133542117 is about 511.1394706889.

Adding to 133542117 its reverse (711245331), we get a palindrome (844787448).

The spelling of 133542117 in words is "one hundred thirty-three million, five hundred forty-two thousand, one hundred seventeen".