138488989410 has 40 divisors (see below), whose sum is σ = 372381507036. Its totient is φ = 36930396960.

The previous prime is 138488989399. The next prime is 138488989451. The reversal of 138488989410 is 14989884831.

138488989410 is a `hidden beast` number, since 1 + 38 + 488 + 9 + 89 + 41 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135955175841 + 2533813569 = 368721^2 + 50337^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85486221 + ... + 85487840.

Almost surely, 2^138488989410 is an apocalyptic number.

138488989410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138488989410 is an abundant number, since it is smaller than the sum of its proper divisors (233892517626).

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

138488989410 is a wasteful number, since it uses less digits than its factorization.

138488989410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170974080 (or 170974071 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 138488989410 in words is "one hundred thirty-eight billion, four hundred eighty-eight million, nine hundred eighty-nine thousand, four hundred ten".