138600829332 has 72 divisors (see below), whose sum is σ = 402077894400. Its totient is φ = 39434528448.

The previous prime is 138600829261. The next prime is 138600829349. The reversal of 138600829332 is 233928006831.

138600829332 is a `hidden beast` number, since 1 + 3 + 8 + 600 + 8 + 2 + 9 + 3 + 32 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1090407 + ... + 1210862.

It is an arithmetic number, because the mean of its divisors is an integer number (5584415200).

Almost surely, 2^138600829332 is an apocalyptic number.

138600829332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138600829332 is an abundant number, since it is smaller than the sum of its proper divisors (263477065068).

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

138600829332 is a wasteful number, since it uses less digits than its factorization.

138600829332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301525 (or 2301520 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 138600829332 in words is "one hundred thirty-eight billion, six hundred million, eight hundred twenty-nine thousand, three hundred thirty-two".