133500230 has 8 divisors (see below), whose sum is σ = 240300432. Its totient is φ = 53400088.

The previous prime is 133500221. The next prime is 133500233. The reversal of 133500230 is 32005331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133500230² = 35644622820105800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133500199 and 133500208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133500233) 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, 6675002 + ... + 6675021.

It is an arithmetic number, because the mean of its divisors is an integer number (30037554).

Almost surely, 2^133500230 is an apocalyptic number.

133500230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133500230 is a deficient number, since it is larger than the sum of its proper divisors (106800202).

133500230 is a wasteful number, since it uses less digits than its factorization.

133500230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13350030.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 133500230 is about 11554.2299613605. The cubic root of 133500230 is about 511.0860235358.

Adding to 133500230 its reverse (32005331), we get a palindrome (165505561).

The spelling of 133500230 in words is "one hundred thirty-three million, five hundred thousand, two hundred thirty".