138027230204115 has 64 divisors (see below), whose sum is σ = 252975745990656. Its totient is φ = 62952454737792.

The previous prime is 138027230204113. The next prime is 138027230204159. The reversal of 138027230204115 is 511402032720831.

It is not a de Polignac number, because 138027230204115 - 2¹ = 138027230204113 is a prime.

It is a super-2 number, since 2×138027230204115² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138027230204113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200258574 + ... + 200946636.

It is an arithmetic number, because the mean of its divisors is an integer number (3952746031104).

Almost surely, 2^{138027230204115} is an apocalyptic number.

138027230204115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138027230204115 is a deficient number, since it is larger than the sum of its proper divisors (114948515786541).

138027230204115 is a wasteful number, since it uses less digits than its factorization.

138027230204115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692488.

The product of its (nonzero) digits is 80640, while the sum is 39.

Adding to 138027230204115 its reverse (511402032720831), we get a palindrome (649429262924946).

The spelling of 138027230204115 in words is "one hundred thirty-eight trillion, twenty-seven billion, two hundred thirty million, two hundred four thousand, one hundred fifteen".