133542116 has 12 divisors (see below), whose sum is σ = 233826432. Its totient is φ = 66734568.

The previous prime is 133542109. The next prime is 133542121. The reversal of 133542116 is 611245331.

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, 161 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (19485536).

Almost surely, 2^133542116 is an apocalyptic number.

It is an amenable number.

133542116 is a deficient number, since it is larger than the sum of its proper divisors (100284316).

133542116 is a wasteful number, since it uses less digits than its factorization.

133542116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18250 (or 18248 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 133542116 is about 11556.0424021375. The cubic root of 133542116 is about 511.1394694130.

Adding to 133542116 its reverse (611245331), we get a palindrome (744787447).

The spelling of 133542116 in words is "one hundred thirty-three million, five hundred forty-two thousand, one hundred sixteen".