133716 has 24 divisors (see below), whose sum is σ = 340704. Its totient is φ = 40480.

The previous prime is 133711. The next prime is 133717. The reversal of 133716 is 617331.

It is a junction number, because it is equal to n+sod(n) for n = 133692 and 133701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (14196).

2¹³³⁷¹⁶ is an apocalyptic number.

It is an amenable number.

133716 is an abundant number, since it is smaller than the sum of its proper divisors (206988).

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

133716 is a wasteful number, since it uses less digits than its factorization.

133716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1029 counting only the distinct ones).

The product of its digits is 378, while the sum is 21.

The square root of 133716 is about 365.6719841607. The cubic root of 133716 is about 51.1361223243.

The spelling of 133716 in words is "one hundred thirty-three thousand, seven hundred sixteen".