133840367 has 2 divisors, whose sum is σ = 133840368. Its totient is φ = 133840366.

The previous prime is 133840279. The next prime is 133840373. The reversal of 133840367 is 763048331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133840367 - 2⁸ = 133840111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133840387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66920183 + 66920184.

It is an arithmetic number, because the mean of its divisors is an integer number (66920184).

Almost surely, 2^133840367 is an apocalyptic number.

133840367 is a deficient number, since it is larger than the sum of its proper divisors (1).

133840367 is an equidigital number, since it uses as much as digits as its factorization.

133840367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 133840367 is about 11568.9397526307. The cubic root of 133840367 is about 511.5197102725.

Adding to 133840367 its reverse (763048331), we get a palindrome (896888698).

The spelling of 133840367 in words is "one hundred thirty-three million, eight hundred forty thousand, three hundred sixty-seven".