139579627247 has 2 divisors, whose sum is σ = 139579627248. Its totient is φ = 139579627246.

The previous prime is 139579627223. The next prime is 139579627259. The reversal of 139579627247 is 742726975931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139579627247 - 2⁶ = 139579627183 is a prime.

It is a super-2 number, since 2×139579627247² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139579627247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139579677247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69789813623 + 69789813624.

It is an arithmetic number, because the mean of its divisors is an integer number (69789813624).

Almost surely, 2^139579627247 is an apocalyptic number.

139579627247 is a deficient number, since it is larger than the sum of its proper divisors (1).

139579627247 is an equidigital number, since it uses as much as digits as its factorization.

139579627247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 62.

The spelling of 139579627247 in words is "one hundred thirty-nine billion, five hundred seventy-nine million, six hundred twenty-seven thousand, two hundred forty-seven".