8138307186737 has 16 divisors (see below), whose sum is σ = 10605576788352. Its totient is φ = 6060329591040.

The previous prime is 8138307186727. The next prime is 8138307186761. The reversal of 8138307186737 is 7376817038318.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8138307186737 - 2²⁴ = 8138290409521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8138307186737.

It is not an unprimeable number, because it can be changed into a prime (8138307186727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2630349839 + ... + 2630352932.

It is an arithmetic number, because the mean of its divisors is an integer number (662848549272).

Almost surely, 2^{8138307186737} is an apocalyptic number.

It is an amenable number.

8138307186737 is a deficient number, since it is larger than the sum of its proper divisors (2467269601615).

8138307186737 is a wasteful number, since it uses less digits than its factorization.

8138307186737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260702808.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 8138307186737 in words is "eight trillion, one hundred thirty-eight billion, three hundred seven million, one hundred eighty-six thousand, seven hundred thirty-seven".