137230863943 has 2 divisors, whose sum is σ = 137230863944. Its totient is φ = 137230863942.

The previous prime is 137230863941. The next prime is 137230863947. The reversal of 137230863943 is 349368032731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137230863943 - 2¹ = 137230863941 is a prime.

Together with 137230863941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137230863941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68615431971 + 68615431972.

It is an arithmetic number, because the mean of its divisors is an integer number (68615431972).

Almost surely, 2^137230863943 is an apocalyptic number.

137230863943 is a deficient number, since it is larger than the sum of its proper divisors (1).

137230863943 is an equidigital number, since it uses as much as digits as its factorization.

137230863943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 137230863943 in words is "one hundred thirty-seven billion, two hundred thirty million, eight hundred sixty-three thousand, nine hundred forty-three".