133913201 has 2 divisors, whose sum is σ = 133913202. Its totient is φ = 133913200.

The previous prime is 133913183. The next prime is 133913203. The reversal of 133913201 is 102319331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113976976 + 19936225 = 10676^2 + 4465^2 .

It is an emirp because it is prime and its reverse (102319331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133913201 - 2¹⁴ = 133896817 is a prime.

Together with 133913203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133913203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66956600 + 66956601.

It is an arithmetic number, because the mean of its divisors is an integer number (66956601).

Almost surely, 2^133913201 is an apocalyptic number.

It is an amenable number.

133913201 is a deficient number, since it is larger than the sum of its proper divisors (1).

133913201 is an equidigital number, since it uses as much as digits as its factorization.

133913201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 133913201 is about 11572.0871496891. The cubic root of 133913201 is about 511.6124806661.

The spelling of 133913201 in words is "one hundred thirty-three million, nine hundred thirteen thousand, two hundred one".