138068604567 has 64 divisors (see below), whose sum is σ = 210673182720. Its totient is φ = 89335353600.

The previous prime is 138068604551. The next prime is 138068604571. The reversal of 138068604567 is 765406860831.

138068604567 is a `hidden beast` number, since 13 + 8 + 0 + 6 + 8 + 60 + 4 + 567 = 666.

It is not a de Polignac number, because 138068604567 - 2⁴ = 138068604551 is a prime.

It is a super-2 number, since 2×138068604567² (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 (138068624567) 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, 52757043 + ... + 52759659.

It is an arithmetic number, because the mean of its divisors is an integer number (3291768480).

Almost surely, 2^138068604567 is an apocalyptic number.

138068604567 is a deficient number, since it is larger than the sum of its proper divisors (72604578153).

138068604567 is a wasteful number, since it uses less digits than its factorization.

138068604567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 138068604567 in words is "one hundred thirty-eight billion, sixty-eight million, six hundred four thousand, five hundred sixty-seven".