133082861 has 2 divisors, whose sum is σ = 133082862. Its totient is φ = 133082860.

The previous prime is 133082813. The next prime is 133082867. The reversal of 133082861 is 168280331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78234025 + 54848836 = 8845^2 + 7406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133082861 is a prime.

It is a super-2 number, since 2×133082861² = 35422095783890642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133082867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66541430 + 66541431.

It is an arithmetic number, because the mean of its divisors is an integer number (66541431).

Almost surely, 2^133082861 is an apocalyptic number.

It is an amenable number.

133082861 is a deficient number, since it is larger than the sum of its proper divisors (1).

133082861 is an equidigital number, since it uses as much as digits as its factorization.

133082861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 133082861 is about 11536.1545152620. The cubic root of 133082861 is about 510.5528555525.

The spelling of 133082861 in words is "one hundred thirty-three million, eighty-two thousand, eight hundred sixty-one".