133075787 has 8 divisors (see below), whose sum is σ = 144172896. Its totient is φ = 122101632.

The previous prime is 133075783. The next prime is 133075819. The reversal of 133075787 is 787570331.

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

It is a cyclic number.

It is not a de Polignac number, because 133075787 - 2² = 133075783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133075783) by changing a digit.

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, 28478 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (18021612).

Almost surely, 2^133075787 is an apocalyptic number.

133075787 is a deficient number, since it is larger than the sum of its proper divisors (11097109).

133075787 is a wasteful number, since it uses less digits than its factorization.

133075787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61477.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 133075787 is about 11535.8479098851. The cubic root of 133075787 is about 510.5438092715.

The spelling of 133075787 in words is "one hundred thirty-three million, seventy-five thousand, seven hundred eighty-seven".