140747272 has 8 divisors (see below), whose sum is σ = 263901150. Its totient is φ = 70373632.

The previous prime is 140747261. The next prime is 140747279. The reversal of 140747272 is 272747041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131469156 + 9278116 = 11466^2 + 3046^2 .

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 (140747279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8796697 + ... + 8796712.

Almost surely, 2^140747272 is an apocalyptic number.

It is an amenable number.

140747272 is a deficient number, since it is larger than the sum of its proper divisors (123153878).

140747272 is a wasteful number, since it uses less digits than its factorization.

140747272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17593415 (or 17593411 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 140747272 is about 11863.6955456552. The cubic root of 140747272 is about 520.1716297367.

The spelling of 140747272 in words is "one hundred forty million, seven hundred forty-seven thousand, two hundred seventy-two".