133433310 has 32 divisors (see below), whose sum is σ = 320892192. Its totient is φ = 35509760.

The previous prime is 133433309. The next prime is 133433317. The reversal of 133433310 is 13334331.

It is a super-2 number, since 2×133433310² = 35608896435112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133433317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11362 + ... + 19898.

It is an arithmetic number, because the mean of its divisors is an integer number (10027881).

Almost surely, 2^133433310 is an apocalyptic number.

133433310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133433310 is an abundant number, since it is smaller than the sum of its proper divisors (187458882).

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

133433310 is a wasteful number, since it uses less digits than its factorization.

133433310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 133433310 is about 11551.3336892326. Note that the first 3 decimals coincide. The cubic root of 133433310 is about 511.0006114655. Note that the first 3 decimals are identical.

Adding to 133433310 its reverse (13334331), we get a palindrome (146767641).

It can be divided in two parts, 13343 and 3310, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 133433310 in words is "one hundred thirty-three million, four hundred thirty-three thousand, three hundred ten".