133080000857 has 4 divisors (see below), whose sum is σ = 133236015780. Its totient is φ = 132923985936.

The previous prime is 133080000853. The next prime is 133080000881. The reversal of 133080000857 is 758000080331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758000080331 = 13 ⋅58307698487.

It can be written as a sum of positive squares in 2 ways, for example, as 6188024896 + 126891975961 = 78664^2 + 356219^2 .

It is a cyclic number.

It is not a de Polignac number, because 133080000857 - 2² = 133080000853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133080000853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78006182 + ... + 78007887.

It is an arithmetic number, because the mean of its divisors is an integer number (33309003945).

Almost surely, 2^133080000857 is an apocalyptic number.

It is an amenable number.

133080000857 is a deficient number, since it is larger than the sum of its proper divisors (156014923).

133080000857 is an equidigital number, since it uses as much as digits as its factorization.

133080000857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156014922.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 133080000857 in words is "one hundred thirty-three billion, eighty million, eight hundred fifty-seven", and thus it is an aban number.