133795567 has 2 divisors, whose sum is σ = 133795568. Its totient is φ = 133795566.

The previous prime is 133795561. The next prime is 133795591. The reversal of 133795567 is 765597331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133795567 - 2²³ = 125406959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133795561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66897783 + 66897784.

It is an arithmetic number, because the mean of its divisors is an integer number (66897784).

Almost surely, 2^133795567 is an apocalyptic number.

133795567 is a deficient number, since it is larger than the sum of its proper divisors (1).

133795567 is an equidigital number, since it uses as much as digits as its factorization.

133795567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 46.

The square root of 133795567 is about 11567.0033716603. The cubic root of 133795567 is about 511.4626307310.

The spelling of 133795567 in words is "one hundred thirty-three million, seven hundred ninety-five thousand, five hundred sixty-seven".