133476779 has 2 divisors, whose sum is σ = 133476780. Its totient is φ = 133476778.

The previous prime is 133476727. The next prime is 133476781. The reversal of 133476779 is 977674331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133476779 - 2²⁴ = 116699563 is a prime.

It is a Sophie Germain prime.

Together with 133476781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133476719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66738389 + 66738390.

It is an arithmetic number, because the mean of its divisors is an integer number (66738390).

Almost surely, 2^133476779 is an apocalyptic number.

133476779 is a deficient number, since it is larger than the sum of its proper divisors (1).

133476779 is an equidigital number, since it uses as much as digits as its factorization.

133476779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 666792, while the sum is 47.

The square root of 133476779 is about 11553.2150936438. The cubic root of 133476779 is about 511.0560955469.

The spelling of 133476779 in words is "one hundred thirty-three million, four hundred seventy-six thousand, seven hundred seventy-nine".