138786744963 has 8 divisors (see below), whose sum is σ = 191018315776. Its totient is φ = 89539835400.

The previous prime is 138786744961. The next prime is 138786744991. The reversal of 138786744963 is 369447687831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138786744963 - 2¹ = 138786744961 is a prime.

It is a super-3 number, since 3×138786744963³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138786744894 and 138786744903.

It is not an unprimeable number, because it can be changed into a prime (138786744961) 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, 746165203 + ... + 746165388.

It is an arithmetic number, because the mean of its divisors is an integer number (23877289472).

Almost surely, 2^138786744963 is an apocalyptic number.

138786744963 is a deficient number, since it is larger than the sum of its proper divisors (52231570813).

138786744963 is a wasteful number, since it uses less digits than its factorization.

138786744963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492330625.

The product of its digits is 146313216, while the sum is 66.

The spelling of 138786744963 in words is "one hundred thirty-eight billion, seven hundred eighty-six million, seven hundred forty-four thousand, nine hundred sixty-three".