138088074002678 has 16 divisors (see below), whose sum is σ = 219963303727920. Its totient is φ = 64831289515776.

The previous prime is 138088074002677. The next prime is 138088074002713. The reversal of 138088074002678 is 876200470880831.

It is a self number, because there is not a number n which added to its sum of digits gives 138088074002678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138088074002677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16079184575 + ... + 16079193162.

It is an arithmetic number, because the mean of its divisors is an integer number (13747706482995).

Almost surely, 2^{138088074002678} is an apocalyptic number.

138088074002678 is a deficient number, since it is larger than the sum of its proper divisors (81875229725242).

138088074002678 is a wasteful number, since it uses less digits than its factorization.

138088074002678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32158377871.

The product of its (nonzero) digits is 28901376, while the sum is 62.

The spelling of 138088074002678 in words is "one hundred thirty-eight trillion, eighty-eight billion, seventy-four million, two thousand, six hundred seventy-eight".