137443115009 has 2 divisors, whose sum is σ = 137443115010. Its totient is φ = 137443115008.

The previous prime is 137443114999. The next prime is 137443115083. The reversal of 137443115009 is 900511344731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134136865009 + 3306250000 = 366247^2 + 57500^2 .

It is an emirp because it is prime and its reverse (900511344731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137443115009 - 2⁴ = 137443114993 is a prime.

It is not a weakly prime, because it can be changed into another prime (137643115009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68721557504 + 68721557505.

It is an arithmetic number, because the mean of its divisors is an integer number (68721557505).

Almost surely, 2^137443115009 is an apocalyptic number.

It is an amenable number.

137443115009 is a deficient number, since it is larger than the sum of its proper divisors (1).

137443115009 is an equidigital number, since it uses as much as digits as its factorization.

137443115009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 137443115009 in words is "one hundred thirty-seven billion, four hundred forty-three million, one hundred fifteen thousand, nine".