139289682479 has 2 divisors, whose sum is σ = 139289682480. Its totient is φ = 139289682478.

The previous prime is 139289682457. The next prime is 139289682509. The reversal of 139289682479 is 974286982931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139289682479 - 2¹² = 139289678383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139289682409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69644841239 + 69644841240.

It is an arithmetic number, because the mean of its divisors is an integer number (69644841240).

Almost surely, 2^139289682479 is an apocalyptic number.

139289682479 is a deficient number, since it is larger than the sum of its proper divisors (1).

139289682479 is an equidigital number, since it uses as much as digits as its factorization.

139289682479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 68.

The spelling of 139289682479 in words is "one hundred thirty-nine billion, two hundred eighty-nine million, six hundred eighty-two thousand, four hundred seventy-nine".