133543108 has 6 divisors (see below), whose sum is σ = 233700446. Its totient is φ = 66771552.

The previous prime is 133543097. The next prime is 133543117. The reversal of 133543108 is 801345331.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 61496964 = 8488^2 + 7842^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16692885 + ... + 16692892.

Almost surely, 2^133543108 is an apocalyptic number.

It is an amenable number.

133543108 is a deficient number, since it is larger than the sum of its proper divisors (100157338).

133543108 is a wasteful number, since it uses less digits than its factorization.

133543108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33385781 (or 33385779 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 133543108 is about 11556.0853233264. The cubic root of 133543108 is about 511.1407350540.

Adding to 133543108 its reverse (801345331), we get a palindrome (934888439).

The spelling of 133543108 in words is "one hundred thirty-three million, five hundred forty-three thousand, one hundred eight".