140728292072 has 8 divisors (see below), whose sum is σ = 263865547650. Its totient is φ = 70364146032.

The previous prime is 140728292063. The next prime is 140728292077. The reversal of 140728292072 is 270292827041.

It can be written as a sum of positive squares in only one way, i.e., 126518221636 + 14210070436 = 355694^2 + 119206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (140728292077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8795518247 + ... + 8795518262.

Almost surely, 2^140728292072 is an apocalyptic number.

It is an amenable number.

140728292072 is a deficient number, since it is larger than the sum of its proper divisors (123137255578).

140728292072 is a wasteful number, since it uses less digits than its factorization.

140728292072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591036515 (or 17591036511 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 140728292072 in words is "one hundred forty billion, seven hundred twenty-eight million, two hundred ninety-two thousand, seventy-two".