133609760 has 48 divisors (see below), whose sum is σ = 329386176. Its totient is φ = 51118848.

The previous prime is 133609759. The next prime is 133609771. The reversal of 133609760 is 67906331.

It is a self number, because there is not a number n which added to its sum of digits gives 133609760.

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, 14474 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (6862212).

Almost surely, 2^133609760 is an apocalyptic number.

133609760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133609760 is an abundant number, since it is smaller than the sum of its proper divisors (195776416).

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

133609760 is a wasteful number, since it uses less digits than its factorization.

133609760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36345 (or 36337 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 133609760 is about 11558.9688121389. The cubic root of 133609760 is about 511.2257585005.

The spelling of 133609760 in words is "one hundred thirty-three million, six hundred nine thousand, seven hundred sixty".