139862420713 has 2 divisors, whose sum is σ = 139862420714. Its totient is φ = 139862420712.

The previous prime is 139862420671. The next prime is 139862420717. The reversal of 139862420713 is 317024268931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138047916304 + 1814504409 = 371548^2 + 42597^2 .

It is a cyclic number.

It is not a de Polignac number, because 139862420713 - 2²⁹ = 139325549801 is a prime.

It is a super-2 number, since 2×139862420713² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139862420717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69931210356 + 69931210357.

It is an arithmetic number, because the mean of its divisors is an integer number (69931210357).

Almost surely, 2^139862420713 is an apocalyptic number.

It is an amenable number.

139862420713 is a deficient number, since it is larger than the sum of its proper divisors (1).

139862420713 is an equidigital number, since it uses as much as digits as its factorization.

139862420713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 139862420713 in words is "one hundred thirty-nine billion, eight hundred sixty-two million, four hundred twenty thousand, seven hundred thirteen".