133121426034427 has 2 divisors, whose sum is σ = 133121426034428. Its totient is φ = 133121426034426.

The previous prime is 133121426034409. The next prime is 133121426034463. The reversal of 133121426034427 is 724430624121331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133121426034427 - 2¹⁵ = 133121426001659 is a prime.

It is not a weakly prime, because it can be changed into another prime (133121426034127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66560713017213 + 66560713017214.

It is an arithmetic number, because the mean of its divisors is an integer number (66560713017214).

Almost surely, 2^{133121426034427} is an apocalyptic number.

133121426034427 is a deficient number, since it is larger than the sum of its proper divisors (1).

133121426034427 is an equidigital number, since it uses as much as digits as its factorization.

133121426034427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 133121426034427 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, four hundred twenty-six million, thirty-four thousand, four hundred twenty-seven".