138763763764 has 24 divisors (see below), whose sum is σ = 250702462976. Its totient is φ = 67135068000.

The previous prime is 138763763731. The next prime is 138763763767. The reversal of 138763763764 is 467367367831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138763763767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947374 + ... + 1083994.

Almost surely, 2^138763763764 is an apocalyptic number.

It is an amenable number.

138763763764 is a deficient number, since it is larger than the sum of its proper divisors (111938699212).

138763763764 is a wasteful number, since it uses less digits than its factorization.

138763763764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144847 (or 144845 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 61.

The spelling of 138763763764 in words is "one hundred thirty-eight billion, seven hundred sixty-three million, seven hundred sixty-three thousand, seven hundred sixty-four".