133055307 has 24 divisors (see below), whose sum is σ = 239616000. Its totient is φ = 69119280.

The previous prime is 133055269. The next prime is 133055333. The reversal of 133055307 is 703550331.

It is not a de Polignac number, because 133055307 - 2⁸ = 133055051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133055357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95307 + ... + 96692.

It is an arithmetic number, because the mean of its divisors is an integer number (9984000).

Almost surely, 2^133055307 is an apocalyptic number.

133055307 is a deficient number, since it is larger than the sum of its proper divisors (106560693).

133055307 is a wasteful number, since it uses less digits than its factorization.

133055307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192023 (or 192020 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 133055307 is about 11534.9602079938. The cubic root of 133055307 is about 510.5176174954.

The spelling of 133055307 in words is "one hundred thirty-three million, fifty-five thousand, three hundred seven".