133000332 has 12 divisors (see below), whose sum is σ = 310334136. Its totient is φ = 44333440.

The previous prime is 133000321. The next prime is 133000349. The reversal of 133000332 is 233000331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×133000332² = 35378176624220448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5541669 + ... + 5541692.

It is an arithmetic number, because the mean of its divisors is an integer number (25861178).

Almost surely, 2^133000332 is an apocalyptic number.

133000332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133000332 is an abundant number, since it is smaller than the sum of its proper divisors (177333804).

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

133000332 is a wasteful number, since it uses less digits than its factorization.

133000332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083368 (or 11083366 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 133000332 is about 11532.5769886873. The cubic root of 133000332 is about 510.4472969325.

Adding to 133000332 its reverse (233000331), we get a palindrome (366000663).

Subtracting 133000332 from its reverse (233000331), we obtain a palindrome (99999999).

The spelling of 133000332 in words is "one hundred thirty-three million, three hundred thirty-two", and thus it is an aban number.