133510321423873 has 2 divisors, whose sum is σ = 133510321423874. Its totient is φ = 133510321423872.

The previous prime is 133510321423837. The next prime is 133510321423967. The reversal of 133510321423873 is 378324123015331.

Together with previous prime (133510321423837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123900674820624 + 9609646603249 = 11131068^2 + 3099943^2 .

It is a cyclic number.

It is not a de Polignac number, because 133510321423873 - 2²⁹ = 133509784552961 is a prime.

It is a super-2 number, since 2×133510321423873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133510321423823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66755160711936 + 66755160711937.

It is an arithmetic number, because the mean of its divisors is an integer number (66755160711937).

Almost surely, 2^{133510321423873} is an apocalyptic number.

It is an amenable number.

133510321423873 is a deficient number, since it is larger than the sum of its proper divisors (1).

133510321423873 is an equidigital number, since it uses as much as digits as its factorization.

133510321423873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 133510321423873 in words is "one hundred thirty-three trillion, five hundred ten billion, three hundred twenty-one million, four hundred twenty-three thousand, eight hundred seventy-three".