133340532 has 24 divisors (see below), whose sum is σ = 335061216. Its totient is φ = 41027808.

The previous prime is 133340513. The next prime is 133340533. The reversal of 133340532 is 235043331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133340533) 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 7 ways as a sum of consecutive naturals, for example, 427218 + ... + 427529.

It is an arithmetic number, because the mean of its divisors is an integer number (13960884).

Almost surely, 2^133340532 is an apocalyptic number.

133340532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133340532 is an abundant number, since it is smaller than the sum of its proper divisors (201720684).

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

133340532 is a wasteful number, since it uses less digits than its factorization.

133340532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854767 (or 854765 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 133340532 is about 11547.3170909956. The cubic root of 133340532 is about 510.8821487739.

Adding to 133340532 its reverse (235043331), we get a palindrome (368383863).

The spelling of 133340532 in words is "one hundred thirty-three million, three hundred forty thousand, five hundred thirty-two".