137556763257317 has 8 divisors (see below), whose sum is σ = 138372517143552. Its totient is φ = 136742004802800.

The previous prime is 137556763257281. The next prime is 137556763257349. The reversal of 137556763257317 is 713752367655731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137556763257317 - 2¹⁰ = 137556763256293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137556763257517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248580734 + ... + 249133487.

It is an arithmetic number, because the mean of its divisors is an integer number (17296564642944).

Almost surely, 2^{137556763257317} is an apocalyptic number.

It is an amenable number.

137556763257317 is a deficient number, since it is larger than the sum of its proper divisors (815753886235).

137556763257317 is a wasteful number, since it uses less digits than its factorization.

137556763257317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497715859.

The product of its digits is 583443000, while the sum is 68.

The spelling of 137556763257317 in words is "one hundred thirty-seven trillion, five hundred fifty-six billion, seven hundred sixty-three million, two hundred fifty-seven thousand, three hundred seventeen".