138758164501071 has 32 divisors (see below), whose sum is σ = 188296177006080. Its totient is φ = 90870847474176.

The previous prime is 138758164501069. The next prime is 138758164501091. The reversal of 138758164501071 is 170105461857831.

It is not a de Polignac number, because 138758164501071 - 2¹ = 138758164501069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138758164501091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105629790 + ... + 106935348.

It is an arithmetic number, because the mean of its divisors is an integer number (5884255531440).

Almost surely, 2^{138758164501071} is an apocalyptic number.

138758164501071 is a deficient number, since it is larger than the sum of its proper divisors (49538012505009).

138758164501071 is a wasteful number, since it uses less digits than its factorization.

138758164501071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307103.

The product of its (nonzero) digits is 5644800, while the sum is 57.

The spelling of 138758164501071 in words is "one hundred thirty-eight trillion, seven hundred fifty-eight billion, one hundred sixty-four million, five hundred one thousand, seventy-one".