133616984 has 8 divisors (see below), whose sum is σ = 250531860. Its totient is φ = 66808488.

The previous prime is 133616983. The next prime is 133617019. The reversal of 133616984 is 489616331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133616983) 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 as a sum of consecutive naturals, namely, 8351054 + ... + 8351069.

Almost surely, 2^133616984 is an apocalyptic number.

It is an amenable number.

133616984 is a deficient number, since it is larger than the sum of its proper divisors (116914876).

133616984 is a wasteful number, since it uses less digits than its factorization.

133616984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16702129 (or 16702125 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 133616984 is about 11559.2812925372. The cubic root of 133616984 is about 511.2349719700.

The spelling of 133616984 in words is "one hundred thirty-three million, six hundred sixteen thousand, nine hundred eighty-four".