133795187 has 2 divisors, whose sum is σ = 133795188. Its totient is φ = 133795186.

The previous prime is 133795153. The next prime is 133795199. The reversal of 133795187 is 781597331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133795187 - 2¹⁴ = 133778803 is a prime.

It is not a weakly prime, because it can be changed into another prime (133795687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66897593 + 66897594.

It is an arithmetic number, because the mean of its divisors is an integer number (66897594).

Almost surely, 2^133795187 is an apocalyptic number.

133795187 is a deficient number, since it is larger than the sum of its proper divisors (1).

133795187 is an equidigital number, since it uses as much as digits as its factorization.

133795187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 44.

The square root of 133795187 is about 11566.9869456138. The cubic root of 133795187 is about 511.4621465196.

The spelling of 133795187 in words is "one hundred thirty-three million, seven hundred ninety-five thousand, one hundred eighty-seven".