133332372 has 48 divisors (see below), whose sum is σ = 357604800. Its totient is φ = 42910560.

The previous prime is 133332361. The next prime is 133332431. The reversal of 133332372 is 273233331.

It is a happy number.

133332372 is a `hidden beast` number, since 1 + 333 + 323 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 18154 + ... + 24417.

It is an arithmetic number, because the mean of its divisors is an integer number (7450100).

Almost surely, 2^133332372 is an apocalyptic number.

133332372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133332372 is an abundant number, since it is smaller than the sum of its proper divisors (224272428).

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

133332372 is a wasteful number, since it uses less digits than its factorization.

133332372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42613 (or 42605 counting only the distinct ones).

The product of its digits is 6804, while the sum is 27.

The square root of 133332372 is about 11546.9637567631. The cubic root of 133332372 is about 510.8717271281.

The spelling of 133332372 in words is "one hundred thirty-three million, three hundred thirty-two thousand, three hundred seventy-two".