133210330 has 32 divisors (see below), whose sum is σ = 275348160. Its totient is φ = 45889920.

The previous prime is 133210313. The next prime is 133210331. The reversal of 133210330 is 33012331.

It is not an unprimeable number, because it can be changed into a prime (133210331) 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, 29779 + ... + 33958.

It is an arithmetic number, because the mean of its divisors is an integer number (8604630).

Almost surely, 2^133210330 is an apocalyptic number.

133210330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133210330 is an abundant number, since it is smaller than the sum of its proper divisors (142137830).

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

133210330 is a wasteful number, since it uses less digits than its factorization.

133210330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63774.

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

The square root of 133210330 is about 11541.6779542664. The cubic root of 133210330 is about 510.7158089045.

Adding to 133210330 its reverse (33012331), we get a palindrome (166222661).

The spelling of 133210330 in words is "one hundred thirty-three million, two hundred ten thousand, three hundred thirty".