133134040181 has 2 divisors, whose sum is σ = 133134040182. Its totient is φ = 133134040180.

The previous prime is 133134040133. The next prime is 133134040187. The reversal of 133134040181 is 181040431331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129722428900 + 3411611281 = 360170^2 + 58409^2 .

It is an emirp because it is prime and its reverse (181040431331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133134040181 is a prime.

It is a super-2 number, since 2×133134040181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133134040187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66567020090 + 66567020091.

It is an arithmetic number, because the mean of its divisors is an integer number (66567020091).

Almost surely, 2^133134040181 is an apocalyptic number.

It is an amenable number.

133134040181 is a deficient number, since it is larger than the sum of its proper divisors (1).

133134040181 is an equidigital number, since it uses as much as digits as its factorization.

133134040181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 133134040181 in words is "one hundred thirty-three billion, one hundred thirty-four million, forty thousand, one hundred eighty-one".