133545312077 has 2 divisors, whose sum is σ = 133545312078. Its totient is φ = 133545312076.

The previous prime is 133545312007. The next prime is 133545312097. The reversal of 133545312077 is 770213545331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109144997641 + 24400314436 = 330371^2 + 156206^2 .

It is a cyclic number.

It is not a de Polignac number, because 133545312077 - 2¹⁸ = 133545049933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133545312007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66772656038 + 66772656039.

It is an arithmetic number, because the mean of its divisors is an integer number (66772656039).

Almost surely, 2^133545312077 is an apocalyptic number.

It is an amenable number.

133545312077 is a deficient number, since it is larger than the sum of its proper divisors (1).

133545312077 is an equidigital number, since it uses as much as digits as its factorization.

133545312077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 133545312077 in words is "one hundred thirty-three billion, five hundred forty-five million, three hundred twelve thousand, seventy-seven".