5398256137 has 2 divisors, whose sum is σ = 5398256138. Its totient is φ = 5398256136.

The previous prime is 5398256119. The next prime is 5398256179. The reversal of 5398256137 is 7316528935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5379342336 + 18913801 = 73344^2 + 4349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5398256137 is a prime.

It is not a weakly prime, because it can be changed into another prime (5398256197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699128068 + 2699128069.

It is an arithmetic number, because the mean of its divisors is an integer number (2699128069).

Almost surely, 2^5398256137 is an apocalyptic number.

It is an amenable number.

5398256137 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398256137 is an equidigital number, since it uses as much as digits as its factorization.

5398256137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 5398256137 is about 73472.8258405786. The cubic root of 5398256137 is about 1754.2217675448.

The spelling of 5398256137 in words is "five billion, three hundred ninety-eight million, two hundred fifty-six thousand, one hundred thirty-seven".