133411780 has 24 divisors (see below), whose sum is σ = 282889152. Its totient is φ = 52845792.

The previous prime is 133411741. The next prime is 133411823. The reversal of 133411780 is 87114331.

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, 30322 + ... + 34441.

It is an arithmetic number, because the mean of its divisors is an integer number (11787048).

Almost surely, 2^133411780 is an apocalyptic number.

133411780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133411780 is an abundant number, since it is smaller than the sum of its proper divisors (149477372).

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

133411780 is a wasteful number, since it uses less digits than its factorization.

133411780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64875 (or 64873 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 133411780 is about 11550.4017246155. The cubic root of 133411780 is about 510.9731259874.

The spelling of 133411780 in words is "one hundred thirty-three million, four hundred eleven thousand, seven hundred eighty".