138802835630612 has 6 divisors (see below), whose sum is σ = 242904962353578. Its totient is φ = 69401417815304.

The previous prime is 138802835630597. The next prime is 138802835630617. The reversal of 138802835630612 is 216036538208831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 137150237965456 + 1652597665156 = 11711116^2 + 1285534^2 .

It is a super-2 number, since 2×138802835630612² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138802835630617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17350354453823 + ... + 17350354453830.

It is an arithmetic number, because the mean of its divisors is an integer number (40484160392263).

Almost surely, 2^{138802835630612} is an apocalyptic number.

It is an amenable number.

138802835630612 is a deficient number, since it is larger than the sum of its proper divisors (104102126722966).

138802835630612 is a wasteful number, since it uses less digits than its factorization.

138802835630612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34700708907657 (or 34700708907655 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 138802835630612 in words is "one hundred thirty-eight trillion, eight hundred two billion, eight hundred thirty-five million, six hundred thirty thousand, six hundred twelve".