133130131231087 has 2 divisors, whose sum is σ = 133130131231088. Its totient is φ = 133130131231086.

The previous prime is 133130131231067. The next prime is 133130131231177. The reversal of 133130131231087 is 780132131031331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133130131231087 - 2⁴³ = 124334038208879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133130131231057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66565065615543 + 66565065615544.

It is an arithmetic number, because the mean of its divisors is an integer number (66565065615544).

Almost surely, 2^{133130131231087} is an apocalyptic number.

133130131231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

133130131231087 is an equidigital number, since it uses as much as digits as its factorization.

133130131231087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 133130131231087 in words is "one hundred thirty-three trillion, one hundred thirty billion, one hundred thirty-one million, two hundred thirty-one thousand, eighty-seven".