137999967239 has 2 divisors, whose sum is σ = 137999967240. Its totient is φ = 137999967238.

The previous prime is 137999967233. The next prime is 137999967253. The reversal of 137999967239 is 932769999731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137999967239 - 2²⁰ = 137998918663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137999967233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68999983619 + 68999983620.

It is an arithmetic number, because the mean of its divisors is an integer number (68999983620).

Almost surely, 2^137999967239 is an apocalyptic number.

137999967239 is a deficient number, since it is larger than the sum of its proper divisors (1).

137999967239 is an equidigital number, since it uses as much as digits as its factorization.

137999967239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 312487308, while the sum is 74.

The spelling of 137999967239 in words is "one hundred thirty-seven billion, nine hundred ninety-nine million, nine hundred sixty-seven thousand, two hundred thirty-nine".