133212360 has 32 divisors (see below), whose sum is σ = 399637440. Its totient is φ = 35523264.

The previous prime is 133212319. The next prime is 133212397. The reversal of 133212360 is 63212331.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554932 + ... + 555171.

It is an arithmetic number, because the mean of its divisors is an integer number (12488670).

Almost surely, 2^133212360 is an apocalyptic number.

133212360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133212360 is an abundant number, since it is smaller than the sum of its proper divisors (266425080).

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

133212360 is a wasteful number, since it uses less digits than its factorization.

133212360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110117 (or 1110113 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 133212360 is about 11541.7658960837. The cubic root of 133212360 is about 510.7184031673.

Adding to 133212360 its reverse (63212331), we get a palindrome (196424691).

The spelling of 133212360 in words is "one hundred thirty-three million, two hundred twelve thousand, three hundred sixty".