133489116 has 18 divisors (see below), whose sum is σ = 337430912. Its totient is φ = 44496360.

The previous prime is 133489099. The next prime is 133489123. The reversal of 133489116 is 611984331.

133489116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×133489116² = 35638688180922912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3708031 = 133489116 / (1 + 3 + 3 + 4 + 8 + 9 + 1 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1853980 + ... + 1854051.

Almost surely, 2^133489116 is an apocalyptic number.

It is an amenable number.

133489116 is an abundant number, since it is smaller than the sum of its proper divisors (203941796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133489116 is a wasteful number, since it uses less digits than its factorization.

133489116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708041 (or 3708036 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 133489116 is about 11553.7490019474. The cubic root of 133489116 is about 511.0718403700.

The spelling of 133489116 in words is "one hundred thirty-three million, four hundred eighty-nine thousand, one hundred sixteen".