137303602409 has 2 divisors, whose sum is σ = 137303602410. Its totient is φ = 137303602408.

The previous prime is 137303602399. The next prime is 137303602411. The reversal of 137303602409 is 904206303731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135679512409 + 1624090000 = 368347^2 + 40300^2 .

It is a cyclic number.

It is not a de Polignac number, because 137303602409 - 2⁸ = 137303602153 is a prime.

It is a Sophie Germain prime.

Together with 137303602411, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (137303622409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68651801204 + 68651801205.

It is an arithmetic number, because the mean of its divisors is an integer number (68651801205).

Almost surely, 2^137303602409 is an apocalyptic number.

It is an amenable number.

137303602409 is a deficient number, since it is larger than the sum of its proper divisors (1).

137303602409 is an equidigital number, since it uses as much as digits as its factorization.

137303602409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 137303602409 in words is "one hundred thirty-seven billion, three hundred three million, six hundred two thousand, four hundred nine".