133233330 has 16 divisors (see below), whose sum is σ = 319760064. Its totient is φ = 35528880.

The previous prime is 133233329. The next prime is 133233349. The reversal of 133233330 is 33332331.

It is a super-2 number, since 2×133233330² = 35502240445777800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133233297 and 133233306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220526 + ... + 2220585.

It is an arithmetic number, because the mean of its divisors is an integer number (19985004).

Almost surely, 2^133233330 is an apocalyptic number.

133233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133233330 is an abundant number, since it is smaller than the sum of its proper divisors (186526734).

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

133233330 is a wasteful number, since it uses less digits than its factorization.

133233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441121.

The product of its (nonzero) digits is 1458, while the sum is 21.

The square root of 133233330 is about 11542.6743001784. The cubic root of 133233330 is about 510.7452004880.

Adding to 133233330 its reverse (33332331), we get a palindrome (166565661).

Subtracting from 133233330 its reverse (33332331), we obtain a palindrome (99900999).

It can be divided in two parts, 13323 and 3330, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 133233330 in words is "one hundred thirty-three million, two hundred thirty-three thousand, three hundred thirty".