138650605274 has 8 divisors (see below), whose sum is σ = 208065060180. Its totient is φ = 69295585216.

The previous prime is 138650605267. The next prime is 138650605297. The reversal of 138650605274 is 472506056831.

It can be written as a sum of positive squares in 2 ways, for example, as 135750244249 + 2900361025 = 368443^2 + 53855^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14852879 + ... + 14862210.

Almost surely, 2^138650605274 is an apocalyptic number.

138650605274 is a deficient number, since it is larger than the sum of its proper divisors (69414454906).

138650605274 is a wasteful number, since it uses less digits than its factorization.

138650605274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29717424.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 138650605274 in words is "one hundred thirty-eight billion, six hundred fifty million, six hundred five thousand, two hundred seventy-four".