133676969 has 2 divisors, whose sum is σ = 133676970. Its totient is φ = 133676968.

The previous prime is 133676953. The next prime is 133676999. The reversal of 133676969 is 969676331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88585744 + 45091225 = 9412^2 + 6715^2 .

It is a cyclic number.

It is not a de Polignac number, because 133676969 - 2⁴ = 133676953 is a prime.

It is a super-2 number, since 2×133676969² = 35739064082053922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133676909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66838484 + 66838485.

It is an arithmetic number, because the mean of its divisors is an integer number (66838485).

Almost surely, 2^133676969 is an apocalyptic number.

It is an amenable number.

133676969 is a deficient number, since it is larger than the sum of its proper divisors (1).

133676969 is an equidigital number, since it uses as much as digits as its factorization.

133676969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 50.

The square root of 133676969 is about 11561.8756696308. The cubic root of 133676969 is about 511.3114638474.

The spelling of 133676969 in words is "one hundred thirty-three million, six hundred seventy-six thousand, nine hundred sixty-nine".