133250560 has 40 divisors (see below), whose sum is σ = 319495176. Its totient is φ = 53299200.

The previous prime is 133250531. The next prime is 133250561. The reversal of 133250560 is 65052331.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133250561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23466 + ... + 28585.

Almost surely, 2^133250560 is an apocalyptic number.

133250560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133250560 is an abundant number, since it is smaller than the sum of its proper divisors (186244616).

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

133250560 is an frugal number, since it uses more digits than its factorization.

133250560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52074 (or 52058 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 133250560 is about 11543.4206368823. The cubic root of 133250560 is about 510.7672164017.

The spelling of 133250560 in words is "one hundred thirty-three million, two hundred fifty thousand, five hundred sixty".