133550133 has 16 divisors (see below), whose sum is σ = 184512000. Its totient is φ = 85821120.

The previous prime is 133550119. The next prime is 133550141. The reversal of 133550133 is 331055331.

It is not a de Polignac number, because 133550133 - 2⁴ = 133550117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133550143) 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, 85443 + ... + 86991.

It is an arithmetic number, because the mean of its divisors is an integer number (11532000).

Almost surely, 2^133550133 is an apocalyptic number.

It is an amenable number.

133550133 is a deficient number, since it is larger than the sum of its proper divisors (50961867).

133550133 is a wasteful number, since it uses less digits than its factorization.

133550133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 133550133 is about 11556.3892717405. The cubic root of 133550133 is about 511.1496977047.

The spelling of 133550133 in words is "one hundred thirty-three million, five hundred fifty thousand, one hundred thirty-three".