139749438112 has 24 divisors (see below), whose sum is σ = 275156361396. Its totient is φ = 69868457472.

The previous prime is 139749438109. The next prime is 139749438137. The reversal of 139749438112 is 211834947931.

It can be written as a sum of positive squares in 2 ways, for example, as 139693547536 + 55890576 = 373756^2 + 7476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139749438112.

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, 177978 + ... + 557830.

Almost surely, 2^139749438112 is an apocalyptic number.

It is an amenable number.

139749438112 is a deficient number, since it is larger than the sum of its proper divisors (135406923284).

139749438112 is a wasteful number, since it uses less digits than its factorization.

139749438112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391360 (or 391352 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 139749438112 in words is "one hundred thirty-nine billion, seven hundred forty-nine million, four hundred thirty-eight thousand, one hundred twelve".