133105001 has 2 divisors, whose sum is σ = 133105002. Its totient is φ = 133105000.

The previous prime is 133104997. The next prime is 133105009. The reversal of 133105001 is 100501331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113955625 + 19149376 = 10675^2 + 4376^2 .

It is a cyclic number.

It is not a de Polignac number, because 133105001 - 2² = 133104997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133105009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66552500 + 66552501.

It is an arithmetic number, because the mean of its divisors is an integer number (66552501).

Almost surely, 2^133105001 is an apocalyptic number.

It is an amenable number.

133105001 is a deficient number, since it is larger than the sum of its proper divisors (1).

133105001 is an equidigital number, since it uses as much as digits as its factorization.

133105001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 133105001 is about 11537.1140672180. The cubic root of 133105001 is about 510.5811662690.

Adding to 133105001 its reverse (100501331), we get a palindrome (233606332).

The spelling of 133105001 in words is "one hundred thirty-three million, one hundred five thousand, one".