133121003123077 has 2 divisors, whose sum is σ = 133121003123078. Its totient is φ = 133121003123076.

The previous prime is 133121003123063. The next prime is 133121003123183. The reversal of 133121003123077 is 770321300121331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96454417696641 + 36666585426436 = 9821121^2 + 6055294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133121003123077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133121003123477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560501561538 + 66560501561539.

It is an arithmetic number, because the mean of its divisors is an integer number (66560501561539).

Almost surely, 2^{133121003123077} is an apocalyptic number.

It is an amenable number.

133121003123077 is a deficient number, since it is larger than the sum of its proper divisors (1).

133121003123077 is an equidigital number, since it uses as much as digits as its factorization.

133121003123077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 34.

The spelling of 133121003123077 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, three million, one hundred twenty-three thousand, seventy-seven".