140618272 has 12 divisors (see below), whose sum is σ = 276842286. Its totient is φ = 70309120.

The previous prime is 140618267. The next prime is 140618273. The reversal of 140618272 is 272816041.

It can be written as a sum of positive squares in only one way, i.e., 135582736 + 5035536 = 11644^2 + 2244^2 .

It is not an unprimeable number, because it can be changed into a prime (140618273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197129 + ... + 2197192.

Almost surely, 2^140618272 is an apocalyptic number.

It is an amenable number.

140618272 is a deficient number, since it is larger than the sum of its proper divisors (136224014).

140618272 is an equidigital number, since it uses as much as digits as its factorization.

140618272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394331 (or 4394323 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 140618272 is about 11858.2575448503. The cubic root of 140618272 is about 520.0126624136.

The spelling of 140618272 in words is "one hundred forty million, six hundred eighteen thousand, two hundred seventy-two".