137248397843 has 2 divisors, whose sum is σ = 137248397844. Its totient is φ = 137248397842.

The previous prime is 137248397807. The next prime is 137248397857. The reversal of 137248397843 is 348793842731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137248397843 - 2³⁰ = 136174656019 is a prime.

It is not a weakly prime, because it can be changed into another prime (137248337843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68624198921 + 68624198922.

It is an arithmetic number, because the mean of its divisors is an integer number (68624198922).

Almost surely, 2^137248397843 is an apocalyptic number.

137248397843 is a deficient number, since it is larger than the sum of its proper divisors (1).

137248397843 is an equidigital number, since it uses as much as digits as its factorization.

137248397843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 59.

The spelling of 137248397843 in words is "one hundred thirty-seven billion, two hundred forty-eight million, three hundred ninety-seven thousand, eight hundred forty-three".