133936 has 20 divisors (see below), whose sum is σ = 283464. Its totient is φ = 60800.

The previous prime is 133919. The next prime is 133949. The reversal of 133936 is 639331.

It is a self number, because there is not a number n which added to its sum of digits gives 133936.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205 + ... + 556.

2¹³³⁹³⁶ is an apocalyptic number.

133936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133936 is an abundant number, since it is smaller than the sum of its proper divisors (149528).

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

133936 is a wasteful number, since it uses less digits than its factorization.

133936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 774 counting only the distinct ones).

The product of its digits is 1458, while the sum is 25.

The square root of 133936 is about 365.9726765757. The cubic root of 133936 is about 51.1641513380.

The spelling of 133936 in words is "one hundred thirty-three thousand, nine hundred thirty-six".