140113321 has 2 divisors, whose sum is σ = 140113322. Its totient is φ = 140113320.

The previous prime is 140113301. The next prime is 140113327. The reversal of 140113321 is 123311041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111007296 + 29106025 = 10536^2 + 5395^2 .

It is a cyclic number.

It is not a de Polignac number, because 140113321 - 2¹⁵ = 140080553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140113295 and 140113304.

It is not a weakly prime, because it can be changed into another prime (140113327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70056660 + 70056661.

It is an arithmetic number, because the mean of its divisors is an integer number (70056661).

Almost surely, 2^140113321 is an apocalyptic number.

It is an amenable number.

140113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

140113321 is an equidigital number, since it uses as much as digits as its factorization.

140113321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 140113321 is about 11836.9472838228. The cubic root of 140113321 is about 519.3894720739.

Adding to 140113321 its reverse (123311041), we get a palindrome (263424362).

The spelling of 140113321 in words is "one hundred forty million, one hundred thirteen thousand, three hundred twenty-one".