133952560 has 40 divisors (see below), whose sum is σ = 355932576. Its totient is φ = 45926400.

The previous prime is 133952549. The next prime is 133952579. The reversal of 133952560 is 65259331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 119041 + ... + 120160.

Almost surely, 2^133952560 is an apocalyptic number.

133952560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133952560 is an abundant number, since it is smaller than the sum of its proper divisors (221980016).

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

133952560 is a wasteful number, since it uses less digits than its factorization.

133952560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239221 (or 239215 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 133952560 is about 11573.7876254924. The cubic root of 133952560 is about 511.6625991582.

The spelling of 133952560 in words is "one hundred thirty-three million, nine hundred fifty-two thousand, five hundred sixty".