133630 has 32 divisors (see below), whose sum is σ = 290304. Its totient is φ = 43296.

The previous prime is 133597. The next prime is 133631. The reversal of 133630 is 36331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (9072).

2¹³³⁶³⁰ is an apocalyptic number.

133630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133630 is an abundant number, since it is smaller than the sum of its proper divisors (156674).

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

133630 is a wasteful number, since it uses less digits than its factorization.

133630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 133630 is about 365.5543735205. The cubic root of 133630 is about 51.1251571702.

Adding to 133630 its reverse (36331), we get a palindrome (169961).

The spelling of 133630 in words is "one hundred thirty-three thousand, six hundred thirty".