133606560 has 48 divisors (see below), whose sum is σ = 420862176. Its totient is φ = 35628288.

The previous prime is 133606549. The next prime is 133606579. The reversal of 133606560 is 65606331.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 138694 + ... + 139653.

It is an arithmetic number, because the mean of its divisors is an integer number (8767962).

Almost surely, 2^133606560 is an apocalyptic number.

133606560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133606560 is an abundant number, since it is smaller than the sum of its proper divisors (287255616).

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

133606560 is a wasteful number, since it uses less digits than its factorization.

133606560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278365 (or 278357 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 133606560 is about 11558.8303906580. The cubic root of 133606560 is about 511.2216771233.

The spelling of 133606560 in words is "one hundred thirty-three million, six hundred six thousand, five hundred sixty".