133571341 has 2 divisors, whose sum is σ = 133571342. Its totient is φ = 133571340.

The previous prime is 133571323. The next prime is 133571351. The reversal of 133571341 is 143175331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91126116 + 42445225 = 9546^2 + 6515^2 .

It is a cyclic number.

It is not a de Polignac number, because 133571341 - 2⁵ = 133571309 is a prime.

It is a pancake number, because a pancake can be divided into 133571341 parts by 16344 straight cuts.

It is equal to p_7569100 and since 133571341 and 7569100 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133571351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66785670 + 66785671.

It is an arithmetic number, because the mean of its divisors is an integer number (66785671).

Almost surely, 2^133571341 is an apocalyptic number.

It is an amenable number.

133571341 is a deficient number, since it is larger than the sum of its proper divisors (1).

133571341 is an equidigital number, since it uses as much as digits as its factorization.

133571341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 133571341 is about 11557.3068229584. The cubic root of 133571341 is about 511.1767534347.

The spelling of 133571341 in words is "one hundred thirty-three million, five hundred seventy-one thousand, three hundred forty-one".