133056977873 has 2 divisors, whose sum is σ = 133056977874. Its totient is φ = 133056977872.

The previous prime is 133056977861. The next prime is 133056977891. The reversal of 133056977873 is 378779650331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108025940929 + 25031036944 = 328673^2 + 158212^2 .

It is a cyclic number.

It is not a de Polignac number, because 133056977873 - 2²⁶ = 132989869009 is a prime.

It is not a weakly prime, because it can be changed into another prime (133056977843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66528488936 + 66528488937.

It is an arithmetic number, because the mean of its divisors is an integer number (66528488937).

Almost surely, 2^133056977873 is an apocalyptic number.

It is an amenable number.

133056977873 is a deficient number, since it is larger than the sum of its proper divisors (1).

133056977873 is an equidigital number, since it uses as much as digits as its factorization.

133056977873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20003760, while the sum is 59.

The spelling of 133056977873 in words is "one hundred thirty-three billion, fifty-six million, nine hundred seventy-seven thousand, eight hundred seventy-three".