133057777 has 2 divisors, whose sum is σ = 133057778. Its totient is φ = 133057776.

The previous prime is 133057747. The next prime is 133057789. The reversal of 133057777 is 777750331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 13133376 = 10951^2 + 3624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133057777 is a prime.

It is not a weakly prime, because it can be changed into another prime (133057747) 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, 66528888 + 66528889.

It is an arithmetic number, because the mean of its divisors is an integer number (66528889).

Almost surely, 2^133057777 is an apocalyptic number.

It is an amenable number.

133057777 is a deficient number, since it is larger than the sum of its proper divisors (1).

133057777 is an equidigital number, since it uses as much as digits as its factorization.

133057777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108045, while the sum is 40.

The square root of 133057777 is about 11535.0672733192. The cubic root of 133057777 is about 510.5207765094.

The spelling of 133057777 in words is "one hundred thirty-three million, fifty-seven thousand, seven hundred seventy-seven".