133552091 has 2 divisors, whose sum is σ = 133552092. Its totient is φ = 133552090.

The previous prime is 133552073. The next prime is 133552183. The reversal of 133552091 is 190255331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133552091 - 2¹⁴ = 133535707 is a prime.

It is a super-2 number, since 2×133552091² = 35672322020944562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133552291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66776045 + 66776046.

It is an arithmetic number, because the mean of its divisors is an integer number (66776046).

Almost surely, 2^133552091 is an apocalyptic number.

133552091 is a deficient number, since it is larger than the sum of its proper divisors (1).

133552091 is an equidigital number, since it uses as much as digits as its factorization.

133552091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 133552091 is about 11556.4739864718. The cubic root of 133552091 is about 511.1521957085.

The spelling of 133552091 in words is "one hundred thirty-three million, five hundred fifty-two thousand, ninety-one".