138438527006 has 16 divisors (see below), whose sum is σ = 224098358400. Its totient is φ = 63761307168.

The previous prime is 138438526979. The next prime is 138438527009. The reversal of 138438527006 is 600725834831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138438527009) 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, 5545541 + ... + 5570448.

It is an arithmetic number, because the mean of its divisors is an integer number (14006147400).

Almost surely, 2^138438527006 is an apocalyptic number.

138438527006 is a deficient number, since it is larger than the sum of its proper divisors (85659831394).

138438527006 is a wasteful number, since it uses less digits than its factorization.

138438527006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116483.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 138438527006 in words is "one hundred thirty-eight billion, four hundred thirty-eight million, five hundred twenty-seven thousand, six".