133677081841 has 2 divisors, whose sum is σ = 133677081842. Its totient is φ = 133677081840.

The previous prime is 133677081781. The next prime is 133677081847. The reversal of 133677081841 is 148180776331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127731900816 + 5945181025 = 357396^2 + 77105^2 .

It is a cyclic number.

It is not a de Polignac number, because 133677081841 - 2¹¹ = 133677079793 is a prime.

It is not a weakly prime, because it can be changed into another prime (133677081847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66838540920 + 66838540921.

It is an arithmetic number, because the mean of its divisors is an integer number (66838540921).

Almost surely, 2^133677081841 is an apocalyptic number.

It is an amenable number.

133677081841 is a deficient number, since it is larger than the sum of its proper divisors (1).

133677081841 is an equidigital number, since it uses as much as digits as its factorization.

133677081841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 133677081841 in words is "one hundred thirty-three billion, six hundred seventy-seven million, eighty-one thousand, eight hundred forty-one".