138802320962 has 18 divisors (see below), whose sum is σ = 209909333907. Its totient is φ = 68837133300.

The previous prime is 138802320959. The next prime is 138802320967. The reversal of 138802320962 is 269023208831.

It can be written as a sum of positive squares in only one way, i.e., 69401160481 + 69401160481 = 263441^2 + 263441^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=263441.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138802320967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69020537 + ... + 69022547.

Almost surely, 2^138802320962 is an apocalyptic number.

138802320962 is a deficient number, since it is larger than the sum of its proper divisors (71107012945).

138802320962 is an frugal number, since it uses more digits than its factorization.

138802320962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 138802320962 in words is "one hundred thirty-eight billion, eight hundred two million, three hundred twenty thousand, nine hundred sixty-two".