133550180 has 24 divisors (see below), whose sum is σ = 282942072. Its totient is φ = 52946432.

The previous prime is 133550159. The next prime is 133550233. The reversal of 133550180 is 81055331.

It can be written as a sum of positive squares in 4 ways, for example, as 11182336 + 122367844 = 3344^2 + 11062^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27287 + ... + 31806.

It is an arithmetic number, because the mean of its divisors is an integer number (11789253).

Almost surely, 2^133550180 is an apocalyptic number.

133550180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133550180 is an abundant number, since it is smaller than the sum of its proper divisors (149391892).

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

133550180 is a wasteful number, since it uses less digits than its factorization.

133550180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59215 (or 59213 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 133550180 is about 11556.3913052475. The cubic root of 133550180 is about 511.1497576673.

It can be divided in two parts, 1335 and 50180, that added together give a palindrome (51515).

The spelling of 133550180 in words is "one hundred thirty-three million, five hundred fifty thousand, one hundred eighty".