138079066527 has 16 divisors (see below), whose sum is σ = 216594614880. Its totient is φ = 86637845376.

The previous prime is 138079066519. The next prime is 138079066589. The reversal of 138079066527 is 725660970831.

It is not a de Polignac number, because 138079066527 - 2³ = 138079066519 is a prime.

It is a super-2 number, since 2×138079066527² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138079066927) 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, 150412468 + ... + 150413385.

It is an arithmetic number, because the mean of its divisors is an integer number (13537163430).

Almost surely, 2^138079066527 is an apocalyptic number.

138079066527 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

138079066527 is a deficient number, since it is larger than the sum of its proper divisors (78515548353).

138079066527 is a wasteful number, since it uses less digits than its factorization.

138079066527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300825879 (or 300825873 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 138079066527 in words is "one hundred thirty-eight billion, seventy-nine million, sixty-six thousand, five hundred twenty-seven".