137941126391 has 2 divisors, whose sum is σ = 137941126392. Its totient is φ = 137941126390.

The previous prime is 137941126381. The next prime is 137941126441. The reversal of 137941126391 is 193621149731.

It is a weak prime.

It is an emirp because it is prime and its reverse (193621149731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137941126391 - 2²² = 137936932087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137941126331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68970563195 + 68970563196.

It is an arithmetic number, because the mean of its divisors is an integer number (68970563196).

Almost surely, 2^137941126391 is an apocalyptic number.

137941126391 is a deficient number, since it is larger than the sum of its proper divisors (1).

137941126391 is an equidigital number, since it uses as much as digits as its factorization.

137941126391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 47.

The spelling of 137941126391 in words is "one hundred thirty-seven billion, nine hundred forty-one million, one hundred twenty-six thousand, three hundred ninety-one".