133330687 has 8 divisors (see below), whose sum is σ = 154524672. Its totient is φ = 112673400.

The previous prime is 133330679. The next prime is 133330697. The reversal of 133330687 is 786033331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133330687 - 2³ = 133330679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133330697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133639 + ... + 134632.

It is an arithmetic number, because the mean of its divisors is an integer number (19315584).

Almost surely, 2^133330687 is an apocalyptic number.

133330687 is a deficient number, since it is larger than the sum of its proper divisors (21193985).

133330687 is an equidigital number, since it uses as much as digits as its factorization.

133330687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268349.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 133330687 is about 11546.8907936293. The cubic root of 133330687 is about 510.8695750564.

The spelling of 133330687 in words is "one hundred thirty-three million, three hundred thirty thousand, six hundred eighty-seven".