133033780 has 24 divisors (see below), whose sum is σ = 304768800. Its totient is φ = 48375840.

The previous prime is 133033751. The next prime is 133033799. The reversal of 133033780 is 87330331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302130 + ... + 302569.

It is an arithmetic number, because the mean of its divisors is an integer number (12698700).

Almost surely, 2^133033780 is an apocalyptic number.

133033780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133033780 is an abundant number, since it is smaller than the sum of its proper divisors (171735020).

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

133033780 is a wasteful number, since it uses less digits than its factorization.

133033780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604719 (or 604717 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 133033780 is about 11534.0270504278. The cubic root of 133033780 is about 510.4900838185.

The spelling of 133033780 in words is "one hundred thirty-three million, thirty-three thousand, seven hundred eighty".