133503089 has 4 divisors (see below), whose sum is σ = 136607856. Its totient is φ = 130398324.

The previous prime is 133503049. The next prime is 133503119. The reversal of 133503089 is 980305331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133503089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133503049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552319 + ... + 1552404.

It is an arithmetic number, because the mean of its divisors is an integer number (34151964).

Almost surely, 2^133503089 is an apocalyptic number.

It is an amenable number.

133503089 is a deficient number, since it is larger than the sum of its proper divisors (3104767).

133503089 is an equidigital number, since it uses as much as digits as its factorization.

133503089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104766.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 133503089 is about 11554.3536816215. The cubic root of 133503089 is about 511.0896719303.

The spelling of 133503089 in words is "one hundred thirty-three million, five hundred three thousand, eighty-nine".