133121401115887 has 2 divisors, whose sum is σ = 133121401115888. Its totient is φ = 133121401115886.

The previous prime is 133121401115837. The next prime is 133121401116001. The reversal of 133121401115887 is 788511104121331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133121401115887 - 2³⁹ = 132571645301999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133121401115837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560700557943 + 66560700557944.

It is an arithmetic number, because the mean of its divisors is an integer number (66560700557944).

Almost surely, 2^{133121401115887} is an apocalyptic number.

133121401115887 is a deficient number, since it is larger than the sum of its proper divisors (1).

133121401115887 is an equidigital number, since it uses as much as digits as its factorization.

133121401115887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 46.

The spelling of 133121401115887 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, four hundred one million, one hundred fifteen thousand, eight hundred eighty-seven".