133516 has 12 divisors (see below), whose sum is σ = 241920. Its totient is φ = 64400.

The previous prime is 133499. The next prime is 133519. The reversal of 133516 is 615331.

It is a junction number, because it is equal to n+sod(n) for n = 133493 and 133502.

It is not an unprimeable number, because it can be changed into a prime (133519) 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, 460 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2¹³³⁵¹⁶ is an apocalyptic number.

It is an amenable number.

133516 is a deficient number, since it is larger than the sum of its proper divisors (108404).

133516 is a wasteful number, since it uses less digits than its factorization.

133516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1182 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 133516 is about 365.3984126950. The cubic root of 133516 is about 51.1106147120.

Adding to 133516 its reverse (615331), we get a palindrome (748847).

The spelling of 133516 in words is "one hundred thirty-three thousand, five hundred sixteen".