133411969 has 2 divisors, whose sum is σ = 133411970. Its totient is φ = 133411968.

The previous prime is 133411963. The next prime is 133412051. The reversal of 133411969 is 969114331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70812225 + 62599744 = 8415^2 + 7912^2 .

It is a cyclic number.

It is not a de Polignac number, because 133411969 - 2²³ = 125023361 is a prime.

It is a super-2 number, since 2×133411969² = 35597506944913922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133411963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66705984 + 66705985.

It is an arithmetic number, because the mean of its divisors is an integer number (66705985).

Almost surely, 2^133411969 is an apocalyptic number.

It is an amenable number.

133411969 is a deficient number, since it is larger than the sum of its proper divisors (1).

133411969 is an equidigital number, since it uses as much as digits as its factorization.

133411969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 133411969 is about 11550.4099061462. The cubic root of 133411969 is about 510.9733672801.

The spelling of 133411969 in words is "one hundred thirty-three million, four hundred eleven thousand, nine hundred sixty-nine".