133053081 has 12 divisors (see below), whose sum is σ = 206368272. Its totient is φ = 76030248.

The previous prime is 133053071. The next prime is 133053103. The reversal of 133053081 is 180350331.

It is not a de Polignac number, because 133053081 - 2¹¹ = 133051033 is a prime.

It is a super-2 number, since 2×133053081² = 35406244727185122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133053001) 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 11 ways as a sum of consecutive naturals, for example, 452415 + ... + 452708.

It is an arithmetic number, because the mean of its divisors is an integer number (17197356).

Almost surely, 2^133053081 is an apocalyptic number.

It is an amenable number.

133053081 is a deficient number, since it is larger than the sum of its proper divisors (73315191).

133053081 is an equidigital number, since it uses as much as digits as its factorization.

133053081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905140 (or 905133 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 133053081 is about 11534.8637183107. The cubic root of 133053081 is about 510.5147705125.

The spelling of 133053081 in words is "one hundred thirty-three million, fifty-three thousand, eighty-one".