139988459459 has 2 divisors, whose sum is σ = 139988459460. Its totient is φ = 139988459458.

The previous prime is 139988459423. The next prime is 139988459473. The reversal of 139988459459 is 954954889931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139988459459 - 2²⁰ = 139987410883 is a prime.

It is not a weakly prime, because it can be changed into another prime (139988459419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69994229729 + 69994229730.

It is an arithmetic number, because the mean of its divisors is an integer number (69994229730).

Almost surely, 2^139988459459 is an apocalyptic number.

139988459459 is a deficient number, since it is larger than the sum of its proper divisors (1).

139988459459 is an equidigital number, since it uses as much as digits as its factorization.

139988459459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 503884800, while the sum is 74.

The spelling of 139988459459 in words is "one hundred thirty-nine billion, nine hundred eighty-eight million, four hundred fifty-nine thousand, four hundred fifty-nine".