137998976279 has 2 divisors, whose sum is σ = 137998976280. Its totient is φ = 137998976278.

The previous prime is 137998976251. The next prime is 137998976341. The reversal of 137998976279 is 972679899731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137998976279 - 2²⁴ = 137982199063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137998978279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68999488139 + 68999488140.

It is an arithmetic number, because the mean of its divisors is an integer number (68999488140).

Almost surely, 2^137998976279 is an apocalyptic number.

137998976279 is a deficient number, since it is larger than the sum of its proper divisors (1).

137998976279 is an equidigital number, since it uses as much as digits as its factorization.

137998976279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648121824, while the sum is 77.

The spelling of 137998976279 in words is "one hundred thirty-seven billion, nine hundred ninety-eight million, nine hundred seventy-six thousand, two hundred seventy-nine".