5120133391 has 2 divisors, whose sum is σ = 5120133392. Its totient is φ = 5120133390.

The previous prime is 5120133323. The next prime is 5120133437. The reversal of 5120133391 is 1933310215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5120133391 - 2²⁷ = 4985915663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5120133301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560066695 + 2560066696.

It is an arithmetic number, because the mean of its divisors is an integer number (2560066696).

Almost surely, 2^5120133391 is an apocalyptic number.

5120133391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5120133391 is an equidigital number, since it uses as much as digits as its factorization.

5120133391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 5120133391 is about 71555.1073718711. The cubic root of 5120133391 is about 1723.5627197183.

The spelling of 5120133391 in words is "five billion, one hundred twenty million, one hundred thirty-three thousand, three hundred ninety-one".