139363511479 has 2 divisors, whose sum is σ = 139363511480. Its totient is φ = 139363511478.

The previous prime is 139363511473. The next prime is 139363511491. The reversal of 139363511479 is 974115363931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139363511479 - 2²⁵ = 139329957047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139363511473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69681755739 + 69681755740.

It is an arithmetic number, because the mean of its divisors is an integer number (69681755740).

Almost surely, 2^139363511479 is an apocalyptic number.

139363511479 is a deficient number, since it is larger than the sum of its proper divisors (1).

139363511479 is an equidigital number, since it uses as much as digits as its factorization.

139363511479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 52.

The spelling of 139363511479 in words is "one hundred thirty-nine billion, three hundred sixty-three million, five hundred eleven thousand, four hundred seventy-nine".