133801278271 has 2 divisors, whose sum is σ = 133801278272. Its totient is φ = 133801278270.

The previous prime is 133801278269. The next prime is 133801278341. The reversal of 133801278271 is 172872108331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133801278271 - 2¹ = 133801278269 is a prime.

Together with 133801278269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133801278211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66900639135 + 66900639136.

It is an arithmetic number, because the mean of its divisors is an integer number (66900639136).

Almost surely, 2^133801278271 is an apocalyptic number.

133801278271 is a deficient number, since it is larger than the sum of its proper divisors (1).

133801278271 is an equidigital number, since it uses as much as digits as its factorization.

133801278271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 133801278271 in words is "one hundred thirty-three billion, eight hundred one million, two hundred seventy-eight thousand, two hundred seventy-one".