138638800883132 has 48 divisors (see below), whose sum is σ = 264792745835520. Its totient is φ = 62989388121600.

The previous prime is 138638800883123. The next prime is 138638800883147. The reversal of 138638800883132 is 231388008836831.

It is a super-2 number, since 2×138638800883132² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910302293 + ... + 910454579.

It is an arithmetic number, because the mean of its divisors is an integer number (5516515538240).

Almost surely, 2^{138638800883132} is an apocalyptic number.

It is an amenable number.

138638800883132 is a deficient number, since it is larger than the sum of its proper divisors (126153944952388).

138638800883132 is a wasteful number, since it uses less digits than its factorization.

138638800883132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161442 (or 161440 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 62.

The spelling of 138638800883132 in words is "one hundred thirty-eight trillion, six hundred thirty-eight billion, eight hundred million, eight hundred eighty-three thousand, one hundred thirty-two".