139741755122 has 6 divisors (see below), whose sum is σ = 209613425679. Its totient is φ = 69870613230.

The previous prime is 139741755121. The next prime is 139741755133. The reversal of 139741755122 is 221557147931.

It can be written as a sum of positive squares in only one way, i.e., 69870877561 + 69870877561 = 264331^2 + 264331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=264331.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139741755121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 396497 + ... + 660827.

Almost surely, 2^139741755122 is an apocalyptic number.

139741755122 is a deficient number, since it is larger than the sum of its proper divisors (69871670557).

139741755122 is an frugal number, since it uses more digits than its factorization.

139741755122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528664 (or 264333 counting only the distinct ones).

The product of its digits is 529200, while the sum is 47.

The spelling of 139741755122 in words is "one hundred thirty-nine billion, seven hundred forty-one million, seven hundred fifty-five thousand, one hundred twenty-two".