138434524104 has 32 divisors (see below), whose sum is σ = 346779900000. Its totient is φ = 46052362752.

The previous prime is 138434524097. The next prime is 138434524147. The reversal of 138434524104 is 401425434831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5767689 + ... + 5791640.

It is an arithmetic number, because the mean of its divisors is an integer number (10836871875).

Almost surely, 2^138434524104 is an apocalyptic number.

It is an amenable number.

138434524104 is an abundant number, since it is smaller than the sum of its proper divisors (208345375896).

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

138434524104 is a wasteful number, since it uses less digits than its factorization.

138434524104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11559837 (or 11559833 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

Adding to 138434524104 its reverse (401425434831), we get a palindrome (539859958935).

The spelling of 138434524104 in words is "one hundred thirty-eight billion, four hundred thirty-four million, five hundred twenty-four thousand, one hundred four".