133916 has 6 divisors (see below), whose sum is σ = 234360. Its totient is φ = 66956.

The previous prime is 133877. The next prime is 133919. The reversal of 133916 is 619331.

It is a junction number, because it is equal to n+sod(n) for n = 133891 and 133900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16736 + ... + 16743.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2¹³³⁹¹⁶ is an apocalyptic number.

It is an amenable number.

133916 is a deficient number, since it is larger than the sum of its proper divisors (100444).

133916 is a wasteful number, since it uses less digits than its factorization.

133916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33483 (or 33481 counting only the distinct ones).

The product of its digits is 486, while the sum is 23.

The square root of 133916 is about 365.9453511113. The cubic root of 133916 is about 51.1616045148.

The spelling of 133916 in words is "one hundred thirty-three thousand, nine hundred sixteen".