133396143 has 16 divisors (see below), whose sum is σ = 184550400. Its totient is φ = 85604960.

The previous prime is 133396117. The next prime is 133396181. The reversal of 133396143 is 341693331.

It is a cyclic number.

It is not a de Polignac number, because 133396143 - 2⁵ = 133396111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133396183) 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, 29098 + ... + 33368.

It is an arithmetic number, because the mean of its divisors is an integer number (11534400).

Almost surely, 2^133396143 is an apocalyptic number.

133396143 is a deficient number, since it is larger than the sum of its proper divisors (51154257).

133396143 is a wasteful number, since it uses less digits than its factorization.

133396143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662.

The product of its digits is 17496, while the sum is 33.

The square root of 133396143 is about 11549.7248019163. The cubic root of 133396143 is about 510.9531617360.

The spelling of 133396143 in words is "one hundred thirty-three million, three hundred ninety-six thousand, one hundred forty-three".