137678495387903 has 8 divisors (see below), whose sum is σ = 138272147676000. Its totient is φ = 137084866668288.

The previous prime is 137678495387899. The next prime is 137678495387921. The reversal of 137678495387903 is 309783594876731.

It is a Cunningham number, because it is equal to 11733648²-1.

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 137678495387903 - 2² = 137678495387899 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 (137678495387603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5866823 + ... + 17600471.

It is an arithmetic number, because the mean of its divisors is an integer number (17284018459500).

Almost surely, 2^{137678495387903} is an apocalyptic number.

137678495387903 is a deficient number, since it is larger than the sum of its proper divisors (593652288097).

137678495387903 is a wasteful number, since it uses less digits than its factorization.

137678495387903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11784241.

The product of its (nonzero) digits is 5761082880, while the sum is 80.

The spelling of 137678495387903 in words is "one hundred thirty-seven trillion, six hundred seventy-eight billion, four hundred ninety-five million, three hundred eighty-seven thousand, nine hundred three".