133147803 has 8 divisors (see below), whose sum is σ = 177584400. Its totient is φ = 88738208.

The previous prime is 133147799. The next prime is 133147831. The reversal of 133147803 is 308741331.

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 133147803 - 2² = 133147799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133147843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13093 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (22198050).

Almost surely, 2^133147803 is an apocalyptic number.

133147803 is a deficient number, since it is larger than the sum of its proper divisors (44436597).

133147803 is an equidigital number, since it uses as much as digits as its factorization.

133147803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 133147803 is about 11538.9688880766. The cubic root of 133147803 is about 510.6358888636.

The spelling of 133147803 in words is "one hundred thirty-three million, one hundred forty-seven thousand, eight hundred three".