137442819847 has 2 divisors, whose sum is σ = 137442819848. Its totient is φ = 137442819846.

The previous prime is 137442819823. The next prime is 137442819853. The reversal of 137442819847 is 748918244731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137442819847 - 2¹⁹ = 137442295559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137442819791 and 137442819800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137442819817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68721409923 + 68721409924.

It is an arithmetic number, because the mean of its divisors is an integer number (68721409924).

Almost surely, 2^137442819847 is an apocalyptic number.

137442819847 is a deficient number, since it is larger than the sum of its proper divisors (1).

137442819847 is an equidigital number, since it uses as much as digits as its factorization.

137442819847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 58.

The spelling of 137442819847 in words is "one hundred thirty-seven billion, four hundred forty-two million, eight hundred nineteen thousand, eight hundred forty-seven".