133552860 has 48 divisors (see below), whose sum is σ = 427370496. Its totient is φ = 30526272.

The previous prime is 133552849. The next prime is 133552879. The reversal of 133552860 is 68255331.

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 15 ways as a sum of consecutive naturals, for example, 158572 + ... + 159411.

It is an arithmetic number, because the mean of its divisors is an integer number (8903552).

Almost surely, 2^133552860 is an apocalyptic number.

133552860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133552860 is an abundant number, since it is smaller than the sum of its proper divisors (293817636).

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

133552860 is a wasteful number, since it uses less digits than its factorization.

133552860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318002 (or 318000 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 133552860 is about 11556.5072578180. The cubic root of 133552860 is about 511.1531767870.

The spelling of 133552860 in words is "one hundred thirty-three million, five hundred fifty-two thousand, eight hundred sixty".