138630063131 has 16 divisors (see below), whose sum is σ = 163615408320. Its totient is φ = 114975469440.

The previous prime is 138630063113. The next prime is 138630063191. The reversal of 138630063131 is 131360036831.

138630063131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138630063131 - 2³⁴ = 121450193947 is a prime.

It is a super-2 number, since 2×138630063131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138630063091 and 138630063100.

It is not an unprimeable number, because it can be changed into a prime (138630063101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431716 + ... + 1525473.

It is an arithmetic number, because the mean of its divisors is an integer number (10225963020).

Almost surely, 2^138630063131 is an apocalyptic number.

138630063131 is a deficient number, since it is larger than the sum of its proper divisors (24985345189).

138630063131 is a wasteful number, since it uses less digits than its factorization.

138630063131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957414.

The product of its (nonzero) digits is 23328, while the sum is 35.

Adding to 138630063131 its reverse (131360036831), we get a palindrome (269990099962).

The spelling of 138630063131 in words is "one hundred thirty-eight billion, six hundred thirty million, sixty-three thousand, one hundred thirty-one".