137996947223 has 2 divisors, whose sum is σ = 137996947224. Its totient is φ = 137996947222.

The previous prime is 137996947189. The next prime is 137996947229. The reversal of 137996947223 is 322749699731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137996947223 - 2¹² = 137996943127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137996947229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68998473611 + 68998473612.

It is an arithmetic number, because the mean of its divisors is an integer number (68998473612).

Almost surely, 2^137996947223 is an apocalyptic number.

137996947223 is a deficient number, since it is larger than the sum of its proper divisors (1).

137996947223 is an equidigital number, since it uses as much as digits as its factorization.

137996947223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30862944, while the sum is 62.

The spelling of 137996947223 in words is "one hundred thirty-seven billion, nine hundred ninety-six million, nine hundred forty-seven thousand, two hundred twenty-three".