138650605330 has 16 divisors (see below), whose sum is σ = 252375260760. Its totient is φ = 54837092992.

The previous prime is 138650605319. The next prime is 138650605351. The reversal of 138650605330 is 33506056831.

It can be written as a sum of positive squares in 4 ways, for example, as 90990912609 + 47659692721 = 301647^2 + 218311^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 77892709 + ... + 77894488.

Almost surely, 2^138650605330 is an apocalyptic number.

138650605330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138650605330 is a deficient number, since it is larger than the sum of its proper divisors (113724655430).

138650605330 is a wasteful number, since it uses less digits than its factorization.

138650605330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155787293.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 138650605330 in words is "one hundred thirty-eight billion, six hundred fifty million, six hundred five thousand, three hundred thirty".