133420332 has 24 divisors (see below), whose sum is σ = 324850176. Its totient is φ = 42539728.

The previous prime is 133420283. The next prime is 133420351. The reversal of 133420332 is 233024331.

It is a junction number, because it is equal to n+sod(n) for n = 133420299 and 133420308.

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, 241428 + ... + 241979.

It is an arithmetic number, because the mean of its divisors is an integer number (13535424).

Almost surely, 2^133420332 is an apocalyptic number.

133420332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133420332 is an abundant number, since it is smaller than the sum of its proper divisors (191429844).

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

133420332 is a wasteful number, since it uses less digits than its factorization.

133420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483437 (or 483435 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 133420332 is about 11550.7719222570. The cubic root of 133420332 is about 510.9840439358.

Adding to 133420332 its reverse (233024331), we get a palindrome (366444663).

The spelling of 133420332 in words is "one hundred thirty-three million, four hundred twenty thousand, three hundred thirty-two".