138088074002646 has 64 divisors (see below), whose sum is σ = 279516948480000. Its totient is φ = 45475937964576.

The previous prime is 138088074002537. The next prime is 138088074002647. The reversal of 138088074002646 is 646200470880831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138088074002647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492154105 + ... + 492434603.

It is an arithmetic number, because the mean of its divisors is an integer number (4367452320000).

Almost surely, 2^{138088074002646} is an apocalyptic number.

138088074002646 is an abundant number, since it is smaller than the sum of its proper divisors (141428874477354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138088074002646 is a wasteful number, since it uses less digits than its factorization.

138088074002646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283513.

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 138088074002646 in words is "one hundred thirty-eight trillion, eighty-eight billion, seventy-four million, two thousand, six hundred forty-six".