133132016261081 has 2 divisors, whose sum is σ = 133132016261082. Its totient is φ = 133132016261080.

The previous prime is 133132016261063. The next prime is 133132016261131. The reversal of 133132016261081 is 180162610231331.

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., 129145041640000 + 3986974621081 = 11364200^2 + 1996741^2 .

It is a cyclic number.

It is not a de Polignac number, because 133132016261081 - 2¹⁴ = 133132016244697 is a prime.

It is a super-2 number, since 2×133132016261081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133132016261051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66566008130540 + 66566008130541.

It is an arithmetic number, because the mean of its divisors is an integer number (66566008130541).

Almost surely, 2^{133132016261081} is an apocalyptic number.

It is an amenable number.

133132016261081 is a deficient number, since it is larger than the sum of its proper divisors (1).

133132016261081 is an equidigital number, since it uses as much as digits as its factorization.

133132016261081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 133132016261081 in words is "one hundred thirty-three trillion, one hundred thirty-two billion, sixteen million, two hundred sixty-one thousand, eighty-one".