133005630 has 32 divisors (see below), whose sum is σ = 320832000. Its totient is φ = 35288352.

The previous prime is 133005617. The next prime is 133005641. The reversal of 133005630 is 36500331.

It is a super-2 number, since 2×133005630² = 35380995223393800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133005597 and 133005606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5170 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (10026000).

Almost surely, 2^133005630 is an apocalyptic number.

133005630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133005630 is an abundant number, since it is smaller than the sum of its proper divisors (187826370).

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

133005630 is a wasteful number, since it uses less digits than its factorization.

133005630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22488.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133005630 is about 11532.8066835441. The cubic root of 133005630 is about 510.4540746446.

Adding to 133005630 its reverse (36500331), we get a palindrome (169505961).

The spelling of 133005630 in words is "one hundred thirty-three million, five thousand, six hundred thirty".