133155138379 has 2 divisors, whose sum is σ = 133155138380. Its totient is φ = 133155138378.

The previous prime is 133155138371. The next prime is 133155138409. The reversal of 133155138379 is 973831551331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133155138379 - 2³ = 133155138371 is a prime.

It is not a weakly prime, because it can be changed into another prime (133155138371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66577569189 + 66577569190.

It is an arithmetic number, because the mean of its divisors is an integer number (66577569190).

Almost surely, 2^133155138379 is an apocalyptic number.

133155138379 is a deficient number, since it is larger than the sum of its proper divisors (1).

133155138379 is an equidigital number, since it uses as much as digits as its factorization.

133155138379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 49.

The spelling of 133155138379 in words is "one hundred thirty-three billion, one hundred fifty-five million, one hundred thirty-eight thousand, three hundred seventy-nine".