138606363207 has 12 divisors (see below), whose sum is σ = 215609898504. Its totient is φ = 85296223440.

The previous prime is 138606363197. The next prime is 138606363251. The reversal of 138606363207 is 702363606831.

138606363207 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 0 + 6 + 3 + 632 + 0 + 7 = 666.

It is not a de Polignac number, because 138606363207 - 2¹⁹ = 138605838919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138606363257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592334769 + ... + 592335002.

It is an arithmetic number, because the mean of its divisors is an integer number (17967491542).

Almost surely, 2^138606363207 is an apocalyptic number.

138606363207 is a deficient number, since it is larger than the sum of its proper divisors (77003535297).

138606363207 is a wasteful number, since it uses less digits than its factorization.

138606363207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184669790 (or 1184669787 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 138606363207 in words is "one hundred thirty-eight billion, six hundred six million, three hundred sixty-three thousand, two hundred seven".