133466071 has 2 divisors, whose sum is σ = 133466072. Its totient is φ = 133466070.

The previous prime is 133466063. The next prime is 133466087. The reversal of 133466071 is 170664331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133466071 - 2³ = 133466063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133461071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66733035 + 66733036.

It is an arithmetic number, because the mean of its divisors is an integer number (66733036).

Almost surely, 2^133466071 is an apocalyptic number.

133466071 is a deficient number, since it is larger than the sum of its proper divisors (1).

133466071 is an equidigital number, since it uses as much as digits as its factorization.

133466071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 133466071 is about 11552.7516635648. The cubic root of 133466071 is about 511.0424289125.

The spelling of 133466071 in words is "one hundred thirty-three million, four hundred sixty-six thousand, seventy-one".