138625824006 has 36 divisors (see below), whose sum is σ = 311498690412. Its totient is φ = 46205871984.

The previous prime is 138625823989. The next prime is 138625824017. The reversal of 138625824006 is 600428526831.

138625824006 is a `hidden beast` number, since 1 + 3 + 8 + 62 + 582 + 4 + 0 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8199610 + ... + 8216498.

Almost surely, 2^138625824006 is an apocalyptic number.

138625824006 is an abundant number, since it is smaller than the sum of its proper divisors (172872866406).

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

138625824006 is an frugal number, since it uses more digits than its factorization.

138625824006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33795 (or 16894 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 138625824006 in words is "one hundred thirty-eight billion, six hundred twenty-five million, eight hundred twenty-four thousand, six".