133912 has 16 divisors (see below), whose sum is σ = 264600. Its totient is φ = 63360.

The previous prime is 133877. The next prime is 133919. The reversal of 133912 is 219331.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 133912.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289 + ... + 592.

2¹³³⁹¹² is an apocalyptic number.

It is an amenable number.

133912 is a deficient number, since it is larger than the sum of its proper divisors (130688).

133912 is a wasteful number, since it uses less digits than its factorization.

133912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 902 counting only the distinct ones).

The product of its digits is 162, while the sum is 19.

The square root of 133912 is about 365.9398857736. The cubic root of 133912 is about 51.1610951197.

The spelling of 133912 in words is "one hundred thirty-three thousand, nine hundred twelve".