133509116 has 24 divisors (see below), whose sum is σ = 255067344. Its totient is φ = 60773760.

The previous prime is 133509107. The next prime is 133509121. The reversal of 133509116 is 611905331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13790 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (10627806).

Almost surely, 2^133509116 is an apocalyptic number.

It is an amenable number.

133509116 is a deficient number, since it is larger than the sum of its proper divisors (121558228).

133509116 is a wasteful number, since it uses less digits than its factorization.

133509116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35261 (or 35259 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 133509116 is about 11554.6144894583. The cubic root of 133509116 is about 511.0973628662.

The spelling of 133509116 in words is "one hundred thirty-three million, five hundred nine thousand, one hundred sixteen".