13815040718137 has 8 divisors (see below), whose sum is σ = 13817054224640. Its totient is φ = 13813027381440.

The previous prime is 13815040718131. The next prime is 13815040718147. The reversal of 13815040718137 is 73181704051831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13815040718137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13815040718131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274175248 + ... + 274225630.

It is an arithmetic number, because the mean of its divisors is an integer number (1727131778080).

Almost surely, 2^{13815040718137} is an apocalyptic number.

It is an amenable number.

13815040718137 is a deficient number, since it is larger than the sum of its proper divisors (2013506503).

13815040718137 is a wasteful number, since it uses less digits than its factorization.

13815040718137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84903.

The product of its (nonzero) digits is 564480, while the sum is 49.

Adding to 13815040718137 its reverse (73181704051831), we get a palindrome (86996744769968).

The spelling of 13815040718137 in words is "thirteen trillion, eight hundred fifteen billion, forty million, seven hundred eighteen thousand, one hundred thirty-seven".