133209063 has 16 divisors (see below), whose sum is σ = 212527840. Its totient is φ = 81974592.

The previous prime is 133209049. The next prime is 133209091. The reversal of 133209063 is 360902331.

It is not a de Polignac number, because 133209063 - 2²² = 129014759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133205063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189406 + ... + 190107.

It is an arithmetic number, because the mean of its divisors is an integer number (13282990).

Almost surely, 2^133209063 is an apocalyptic number.

133209063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133209063 is a deficient number, since it is larger than the sum of its proper divisors (79318777).

133209063 is a wasteful number, since it uses less digits than its factorization.

133209063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379535 (or 379529 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 133209063 is about 11541.6230661030. The cubic root of 133209063 is about 510.7141897133.

The spelling of 133209063 in words is "one hundred thirty-three million, two hundred nine thousand, sixty-three".